Home / 39,660.72-59,412.60-29,811.12

Finding the Fourth Proportional to 39,660.72, 59,412.60 and 29,811.12

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Solution

The fourth proportional to 39,660.72, 59,412.60 and 29,811.12 is: 44,657.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,660.72 : 59,412.60 = 29,811.12 : x
  2. Step 2: Convert to fraction form
    39,660.72/59,412.60 = 29,811.12/x
  3. Step 3: Cross multiply
    39,660.72x = 59,412.60 × 29,811.12
  4. Step 4: Simplify right side
    39,660.72x = 1,771,156,148.11
  5. Step 5: Solve for x
    x = 1,771,156,148.11/39,660.72
  6. Step 6: Final answer
    x = 44,657.69

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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.