Home / 79,500.12-119,248.98-20,335.32

Finding the Fourth Proportional to 79,500.12, 119,248.98 and 20,335.32

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Solution

The fourth proportional to 79,500.12, 119,248.98 and 20,335.32 is: 30,502.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,500.12 : 119,248.98 = 20,335.32 : x
  2. Step 2: Convert to fraction form
    79,500.12/119,248.98 = 20,335.32/x
  3. Step 3: Cross multiply
    79,500.12x = 119,248.98 × 20,335.32
  4. Step 4: Simplify right side
    79,500.12x = 2,424,966,167.97
  5. Step 5: Solve for x
    x = 2,424,966,167.97/79,500.12
  6. Step 6: Final answer
    x = 30,502.67

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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.