Home / 56,446.20-77,880.20-34,925.60

Finding the Fourth Proportional to 56,446.20, 77,880.20 and 34,925.60

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Solution

The fourth proportional to 56,446.20, 77,880.20 and 34,925.60 is: 48,187.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,446.20 : 77,880.20 = 34,925.60 : x
  2. Step 2: Convert to fraction form
    56,446.20/77,880.20 = 34,925.60/x
  3. Step 3: Cross multiply
    56,446.20x = 77,880.20 × 34,925.60
  4. Step 4: Simplify right side
    56,446.20x = 2,720,012,713.12
  5. Step 5: Solve for x
    x = 2,720,012,713.12/56,446.20
  6. Step 6: Final answer
    x = 48,187.70

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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.