Home / 39,439.61-54,484.24-34,125.20

Finding the Fourth Proportional to 39,439.61, 54,484.24 and 34,125.20

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Solution

The fourth proportional to 39,439.61, 54,484.24 and 34,125.20 is: 47,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,439.61 : 54,484.24 = 34,125.20 : x
  2. Step 2: Convert to fraction form
    39,439.61/54,484.24 = 34,125.20/x
  3. Step 3: Cross multiply
    39,439.61x = 54,484.24 × 34,125.20
  4. Step 4: Simplify right side
    39,439.61x = 1,859,285,586.85
  5. Step 5: Solve for x
    x = 1,859,285,586.85/39,439.61
  6. Step 6: Final answer
    x = 47,142.60

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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.