Home / 48,145.66-72,203.91-13,080.76

Finding the Fourth Proportional to 48,145.66, 72,203.91 and 13,080.76

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Solution

The fourth proportional to 48,145.66, 72,203.91 and 13,080.76 is: 19,617.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,145.66 : 72,203.91 = 13,080.76 : x
  2. Step 2: Convert to fraction form
    48,145.66/72,203.91 = 13,080.76/x
  3. Step 3: Cross multiply
    48,145.66x = 72,203.91 × 13,080.76
  4. Step 4: Simplify right side
    48,145.66x = 944,482,017.77
  5. Step 5: Solve for x
    x = 944,482,017.77/48,145.66
  6. Step 6: Final answer
    x = 19,617.18

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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.