Home / 48,259.75-72,364.95-20,172.14

Finding the Fourth Proportional to 48,259.75, 72,364.95 and 20,172.14

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Solution

The fourth proportional to 48,259.75, 72,364.95 and 20,172.14 is: 30,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,259.75 : 72,364.95 = 20,172.14 : x
  2. Step 2: Convert to fraction form
    48,259.75/72,364.95 = 20,172.14/x
  3. Step 3: Cross multiply
    48,259.75x = 72,364.95 × 20,172.14
  4. Step 4: Simplify right side
    48,259.75x = 1,459,755,902.49
  5. Step 5: Solve for x
    x = 1,459,755,902.49/48,259.75
  6. Step 6: Final answer
    x = 30,247.90

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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.