Home / 39,393.11-59,080.66-11,312.94

Finding the Fourth Proportional to 39,393.11, 59,080.66 and 11,312.94

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Solution

The fourth proportional to 39,393.11, 59,080.66 and 11,312.94 is: 16,966.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,393.11 : 59,080.66 = 11,312.94 : x
  2. Step 2: Convert to fraction form
    39,393.11/59,080.66 = 11,312.94/x
  3. Step 3: Cross multiply
    39,393.11x = 59,080.66 × 11,312.94
  4. Step 4: Simplify right side
    39,393.11x = 668,375,961.74
  5. Step 5: Solve for x
    x = 668,375,961.74/39,393.11
  6. Step 6: Final answer
    x = 16,966.82

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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.