Home / 48,113.47-72,170.24-13,053.12

Finding the Fourth Proportional to 48,113.47, 72,170.24 and 13,053.12

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Solution

The fourth proportional to 48,113.47, 72,170.24 and 13,053.12 is: 19,579.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,113.47 : 72,170.24 = 13,053.12 : x
  2. Step 2: Convert to fraction form
    48,113.47/72,170.24 = 13,053.12/x
  3. Step 3: Cross multiply
    48,113.47x = 72,170.24 × 13,053.12
  4. Step 4: Simplify right side
    48,113.47x = 942,047,149.61
  5. Step 5: Solve for x
    x = 942,047,149.61/48,113.47
  6. Step 6: Final answer
    x = 19,579.70

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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.