Home / 42,925.85-64,311.55-40,393.64

Finding the Fourth Proportional to 42,925.85, 64,311.55 and 40,393.64

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Solution

The fourth proportional to 42,925.85, 64,311.55 and 40,393.64 is: 60,517.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,925.85 : 64,311.55 = 40,393.64 : x
  2. Step 2: Convert to fraction form
    42,925.85/64,311.55 = 40,393.64/x
  3. Step 3: Cross multiply
    42,925.85x = 64,311.55 × 40,393.64
  4. Step 4: Simplify right side
    42,925.85x = 2,597,777,417.17
  5. Step 5: Solve for x
    x = 2,597,777,417.17/42,925.85
  6. Step 6: Final answer
    x = 60,517.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.