Home / 57,365.42-79,142.16-42,293.85

Finding the Fourth Proportional to 57,365.42, 79,142.16 and 42,293.85

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Solution

The fourth proportional to 57,365.42, 79,142.16 and 42,293.85 is: 58,349.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,365.42 : 79,142.16 = 42,293.85 : x
  2. Step 2: Convert to fraction form
    57,365.42/79,142.16 = 42,293.85/x
  3. Step 3: Cross multiply
    57,365.42x = 79,142.16 × 42,293.85
  4. Step 4: Simplify right side
    57,365.42x = 3,347,226,505.53
  5. Step 5: Solve for x
    x = 3,347,226,505.53/57,365.42
  6. Step 6: Final answer
    x = 58,349.21

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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.