Home / 62,345.10-93,530.80-20,221.91

Finding the Fourth Proportional to 62,345.10, 93,530.80 and 20,221.91

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Solution

The fourth proportional to 62,345.10, 93,530.80 and 20,221.91 is: 30,337.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,345.10 : 93,530.80 = 20,221.91 : x
  2. Step 2: Convert to fraction form
    62,345.10/93,530.80 = 20,221.91/x
  3. Step 3: Cross multiply
    62,345.10x = 93,530.80 × 20,221.91
  4. Step 4: Simplify right side
    62,345.10x = 1,891,371,406.40
  5. Step 5: Solve for x
    x = 1,891,371,406.40/62,345.10
  6. Step 6: Final answer
    x = 30,337.13

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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.