Home / 48,480.46-72,712.59-13,423.66

Finding the Fourth Proportional to 48,480.46, 72,712.59 and 13,423.66

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Solution

The fourth proportional to 48,480.46, 72,712.59 and 13,423.66 is: 20,133.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,480.46 : 72,712.59 = 13,423.66 : x
  2. Step 2: Convert to fraction form
    48,480.46/72,712.59 = 13,423.66/x
  3. Step 3: Cross multiply
    48,480.46x = 72,712.59 × 13,423.66
  4. Step 4: Simplify right side
    48,480.46x = 976,069,085.88
  5. Step 5: Solve for x
    x = 976,069,085.88/48,480.46
  6. Step 6: Final answer
    x = 20,133.25

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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.