Home / 42,129.36-58,118.04-27,964.08

Finding the Fourth Proportional to 42,129.36, 58,118.04 and 27,964.08

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Solution

The fourth proportional to 42,129.36, 58,118.04 and 27,964.08 is: 38,576.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,129.36 : 58,118.04 = 27,964.08 : x
  2. Step 2: Convert to fraction form
    42,129.36/58,118.04 = 27,964.08/x
  3. Step 3: Cross multiply
    42,129.36x = 58,118.04 × 27,964.08
  4. Step 4: Simplify right side
    42,129.36x = 1,625,217,520.00
  5. Step 5: Solve for x
    x = 1,625,217,520.00/42,129.36
  6. Step 6: Final answer
    x = 38,576.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.