Home / 39,883.60-59,813.88-13,587.76

Finding the Fourth Proportional to 39,883.60, 59,813.88 and 13,587.76

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Solution

The fourth proportional to 39,883.60, 59,813.88 and 13,587.76 is: 20,377.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,883.60 : 59,813.88 = 13,587.76 : x
  2. Step 2: Convert to fraction form
    39,883.60/59,813.88 = 13,587.76/x
  3. Step 3: Cross multiply
    39,883.60x = 59,813.88 × 13,587.76
  4. Step 4: Simplify right side
    39,883.60x = 812,736,646.11
  5. Step 5: Solve for x
    x = 812,736,646.11/39,883.60
  6. Step 6: Final answer
    x = 20,377.72

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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.