Home / 57,712.14-79,476.93-49,580.55

Finding the Fourth Proportional to 57,712.14, 79,476.93 and 49,580.55

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Solution

The fourth proportional to 57,712.14, 79,476.93 and 49,580.55 is: 68,278.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,712.14 : 79,476.93 = 49,580.55 : x
  2. Step 2: Convert to fraction form
    57,712.14/79,476.93 = 49,580.55/x
  3. Step 3: Cross multiply
    57,712.14x = 79,476.93 × 49,580.55
  4. Step 4: Simplify right side
    57,712.14x = 3,940,509,901.71
  5. Step 5: Solve for x
    x = 3,940,509,901.71/57,712.14
  6. Step 6: Final answer
    x = 68,278.70

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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.