Home / 79,503.40-119,256.33-20,337.76

Finding the Fourth Proportional to 79,503.40, 119,256.33 and 20,337.76

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Solution

The fourth proportional to 79,503.40, 119,256.33 and 20,337.76 is: 30,506.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,503.40 : 119,256.33 = 20,337.76 : x
  2. Step 2: Convert to fraction form
    79,503.40/119,256.33 = 20,337.76/x
  3. Step 3: Cross multiply
    79,503.40x = 119,256.33 × 20,337.76
  4. Step 4: Simplify right side
    79,503.40x = 2,425,406,618.02
  5. Step 5: Solve for x
    x = 2,425,406,618.02/79,503.40
  6. Step 6: Final answer
    x = 30,506.95

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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.