Home / 35,534.07-49,021.61-20,423.25

Finding the Fourth Proportional to 35,534.07, 49,021.61 and 20,423.25

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Solution

The fourth proportional to 35,534.07, 49,021.61 and 20,423.25 is: 28,175.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,534.07 : 49,021.61 = 20,423.25 : x
  2. Step 2: Convert to fraction form
    35,534.07/49,021.61 = 20,423.25/x
  3. Step 3: Cross multiply
    35,534.07x = 49,021.61 × 20,423.25
  4. Step 4: Simplify right side
    35,534.07x = 1,001,180,494.32
  5. Step 5: Solve for x
    x = 1,001,180,494.32/35,534.07
  6. Step 6: Final answer
    x = 28,175.23

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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.