Home / 38,207.56-52,724.07-21,210.81

Finding the Fourth Proportional to 38,207.56, 52,724.07 and 21,210.81

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Solution

The fourth proportional to 38,207.56, 52,724.07 and 21,210.81 is: 29,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,207.56 : 52,724.07 = 21,210.81 : x
  2. Step 2: Convert to fraction form
    38,207.56/52,724.07 = 21,210.81/x
  3. Step 3: Cross multiply
    38,207.56x = 52,724.07 × 21,210.81
  4. Step 4: Simplify right side
    38,207.56x = 1,118,320,125.14
  5. Step 5: Solve for x
    x = 1,118,320,125.14/38,207.56
  6. Step 6: Final answer
    x = 29,269.60

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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.