Home / 48,084.12-72,130.28-12,550.16

Finding the Fourth Proportional to 48,084.12, 72,130.28 and 12,550.16

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Solution

The fourth proportional to 48,084.12, 72,130.28 and 12,550.16 is: 18,826.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,084.12 : 72,130.28 = 12,550.16 : x
  2. Step 2: Convert to fraction form
    48,084.12/72,130.28 = 12,550.16/x
  3. Step 3: Cross multiply
    48,084.12x = 72,130.28 × 12,550.16
  4. Step 4: Simplify right side
    48,084.12x = 905,246,554.84
  5. Step 5: Solve for x
    x = 905,246,554.84/48,084.12
  6. Step 6: Final answer
    x = 18,826.31

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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.