Home / 39,434.18-59,132.43-21,658.73

Finding the Fourth Proportional to 39,434.18, 59,132.43 and 21,658.73

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Solution

The fourth proportional to 39,434.18, 59,132.43 and 21,658.73 is: 32,477.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,434.18 : 59,132.43 = 21,658.73 : x
  2. Step 2: Convert to fraction form
    39,434.18/59,132.43 = 21,658.73/x
  3. Step 3: Cross multiply
    39,434.18x = 59,132.43 × 21,658.73
  4. Step 4: Simplify right side
    39,434.18x = 1,280,733,039.95
  5. Step 5: Solve for x
    x = 1,280,733,039.95/39,434.18
  6. Step 6: Final answer
    x = 32,477.74

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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.