Home / 35,635.28-49,173.34-21,292.25

Finding the Fourth Proportional to 35,635.28, 49,173.34 and 21,292.25

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Solution

The fourth proportional to 35,635.28, 49,173.34 and 21,292.25 is: 29,381.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,635.28 : 49,173.34 = 21,292.25 : x
  2. Step 2: Convert to fraction form
    35,635.28/49,173.34 = 21,292.25/x
  3. Step 3: Cross multiply
    35,635.28x = 49,173.34 × 21,292.25
  4. Step 4: Simplify right side
    35,635.28x = 1,047,011,048.62
  5. Step 5: Solve for x
    x = 1,047,011,048.62/35,635.28
  6. Step 6: Final answer
    x = 29,381.31

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Double scale
Find fourth proportional to 35,636.28, 49,174.72 and 21,293.25
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.