Home / 75,326.49-112,988.93-18,400.91

Finding the Fourth Proportional to 75,326.49, 112,988.93 and 18,400.91

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Solution

The fourth proportional to 75,326.49, 112,988.93 and 18,400.91 is: 27,601.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,326.49 : 112,988.93 = 18,400.91 : x
  2. Step 2: Convert to fraction form
    75,326.49/112,988.93 = 18,400.91/x
  3. Step 3: Cross multiply
    75,326.49x = 112,988.93 × 18,400.91
  4. Step 4: Simplify right side
    75,326.49x = 2,079,098,474.98
  5. Step 5: Solve for x
    x = 2,079,098,474.98/75,326.49
  6. Step 6: Final answer
    x = 27,601.16

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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.