Home / 62,107.10-93,160.68-19,987.18

Finding the Fourth Proportional to 62,107.10, 93,160.68 and 19,987.18

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Solution

The fourth proportional to 62,107.10, 93,160.68 and 19,987.18 is: 29,980.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,107.10 : 93,160.68 = 19,987.18 : x
  2. Step 2: Convert to fraction form
    62,107.10/93,160.68 = 19,987.18/x
  3. Step 3: Cross multiply
    62,107.10x = 93,160.68 × 19,987.18
  4. Step 4: Simplify right side
    62,107.10x = 1,862,019,020.28
  5. Step 5: Solve for x
    x = 1,862,019,020.28/62,107.10
  6. Step 6: Final answer
    x = 29,980.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.