Home / 48,126.12-72,140.70-20,061.70

Finding the Fourth Proportional to 48,126.12, 72,140.70 and 20,061.70

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Solution

The fourth proportional to 48,126.12, 72,140.70 and 20,061.70 is: 30,072.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,126.12 : 72,140.70 = 20,061.70 : x
  2. Step 2: Convert to fraction form
    48,126.12/72,140.70 = 20,061.70/x
  3. Step 3: Cross multiply
    48,126.12x = 72,140.70 × 20,061.70
  4. Step 4: Simplify right side
    48,126.12x = 1,447,264,620.18
  5. Step 5: Solve for x
    x = 1,447,264,620.18/48,126.12
  6. Step 6: Final answer
    x = 30,072.33

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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.