Home / 48,409.80-72,618.32-13,349.13

Finding the Fourth Proportional to 48,409.80, 72,618.32 and 13,349.13

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Solution

The fourth proportional to 48,409.80, 72,618.32 and 13,349.13 is: 20,024.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,409.80 : 72,618.32 = 13,349.13 : x
  2. Step 2: Convert to fraction form
    48,409.80/72,618.32 = 13,349.13/x
  3. Step 3: Cross multiply
    48,409.80x = 72,618.32 × 13,349.13
  4. Step 4: Simplify right side
    48,409.80x = 969,391,394.06
  5. Step 5: Solve for x
    x = 969,391,394.06/48,409.80
  6. Step 6: Final answer
    x = 20,024.69

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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.