Home / 74,909.60-112,330.56-39,841.76

Finding the Fourth Proportional to 74,909.60, 112,330.56 and 39,841.76

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Solution

The fourth proportional to 74,909.60, 112,330.56 and 39,841.76 is: 59,744.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,909.60 : 112,330.56 = 39,841.76 : x
  2. Step 2: Convert to fraction form
    74,909.60/112,330.56 = 39,841.76/x
  3. Step 3: Cross multiply
    74,909.60x = 112,330.56 × 39,841.76
  4. Step 4: Simplify right side
    74,909.60x = 4,475,447,212.19
  5. Step 5: Solve for x
    x = 4,475,447,212.19/74,909.60
  6. Step 6: Final answer
    x = 59,744.64

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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.