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Finding the Fourth Proportional to 48,124.12, 72,081.04 and 24,390.90

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Solution

The fourth proportional to 48,124.12, 72,081.04 and 24,390.90 is: 36,533.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,124.12 : 72,081.04 = 24,390.90 : x
  2. Step 2: Convert to fraction form
    48,124.12/72,081.04 = 24,390.90/x
  3. Step 3: Cross multiply
    48,124.12x = 72,081.04 × 24,390.90
  4. Step 4: Simplify right side
    48,124.12x = 1,758,121,639.84
  5. Step 5: Solve for x
    x = 1,758,121,639.84/48,124.12
  6. Step 6: Final answer
    x = 36,533.06

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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.