Home / 48,496.50-72,748.98-13,436.46

Finding the Fourth Proportional to 48,496.50, 72,748.98 and 13,436.46

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Solution

The fourth proportional to 48,496.50, 72,748.98 and 13,436.46 is: 20,155.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,496.50 : 72,748.98 = 13,436.46 : x
  2. Step 2: Convert to fraction form
    48,496.50/72,748.98 = 13,436.46/x
  3. Step 3: Cross multiply
    48,496.50x = 72,748.98 × 13,436.46
  4. Step 4: Simplify right side
    48,496.50x = 977,488,759.81
  5. Step 5: Solve for x
    x = 977,488,759.81/48,496.50
  6. Step 6: Final answer
    x = 20,155.86

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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.