Home / 56,743.78-78,280.10-36,607.12

Finding the Fourth Proportional to 56,743.78, 78,280.10 and 36,607.12

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Solution

The fourth proportional to 56,743.78, 78,280.10 and 36,607.12 is: 50,500.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,743.78 : 78,280.10 = 36,607.12 : x
  2. Step 2: Convert to fraction form
    56,743.78/78,280.10 = 36,607.12/x
  3. Step 3: Cross multiply
    56,743.78x = 78,280.10 × 36,607.12
  4. Step 4: Simplify right side
    56,743.78x = 2,865,608,831.28
  5. Step 5: Solve for x
    x = 2,865,608,831.28/56,743.78
  6. Step 6: Final answer
    x = 50,500.85

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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.