Home / 56,166.04-77,508.10-31,015

Finding the Fourth Proportional to 56,166.04, 77,508.10 and 31,015

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Solution

The fourth proportional to 56,166.04, 77,508.10 and 31,015 is: 42,800.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,166.04 : 77,508.10 = 31,015 : x
  2. Step 2: Convert to fraction form
    56,166.04/77,508.10 = 31,015/x
  3. Step 3: Cross multiply
    56,166.04x = 77,508.10 × 31,015
  4. Step 4: Simplify right side
    56,166.04x = 2,403,913,721.50
  5. Step 5: Solve for x
    x = 2,403,913,721.50/56,166.04
  6. Step 6: Final answer
    x = 42,800.13

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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.