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Finding the Fourth Proportional to 56,160.47, 77,482.79 and 37,049.74

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Solution

The fourth proportional to 56,160.47, 77,482.79 and 37,049.74 is: 51,116.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,160.47 : 77,482.79 = 37,049.74 : x
  2. Step 2: Convert to fraction form
    56,160.47/77,482.79 = 37,049.74/x
  3. Step 3: Cross multiply
    56,160.47x = 77,482.79 × 37,049.74
  4. Step 4: Simplify right side
    56,160.47x = 2,870,717,223.97
  5. Step 5: Solve for x
    x = 2,870,717,223.97/56,160.47
  6. Step 6: Final answer
    x = 51,116.33

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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.