Home / 48,210.28-72,328.50-20,121.04

Finding the Fourth Proportional to 48,210.28, 72,328.50 and 20,121.04

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Solution

The fourth proportional to 48,210.28, 72,328.50 and 20,121.04 is: 30,187.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,210.28 : 72,328.50 = 20,121.04 : x
  2. Step 2: Convert to fraction form
    48,210.28/72,328.50 = 20,121.04/x
  3. Step 3: Cross multiply
    48,210.28x = 72,328.50 × 20,121.04
  4. Step 4: Simplify right side
    48,210.28x = 1,455,324,641.64
  5. Step 5: Solve for x
    x = 1,455,324,641.64/48,210.28
  6. Step 6: Final answer
    x = 30,187.02

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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.