Home / 34,732.32-47,918.16-21,115.68

Finding the Fourth Proportional to 34,732.32, 47,918.16 and 21,115.68

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Solution

The fourth proportional to 34,732.32, 47,918.16 and 21,115.68 is: 29,132.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,732.32 : 47,918.16 = 21,115.68 : x
  2. Step 2: Convert to fraction form
    34,732.32/47,918.16 = 21,115.68/x
  3. Step 3: Cross multiply
    34,732.32x = 47,918.16 × 21,115.68
  4. Step 4: Simplify right side
    34,732.32x = 1,011,824,532.75
  5. Step 5: Solve for x
    x = 1,011,824,532.75/34,732.32
  6. Step 6: Final answer
    x = 29,132.07

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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.