Home / 42,129.12-58,144.68-26,005.84

Finding the Fourth Proportional to 42,129.12, 58,144.68 and 26,005.84

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Solution

The fourth proportional to 42,129.12, 58,144.68 and 26,005.84 is: 35,892.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,129.12 : 58,144.68 = 26,005.84 : x
  2. Step 2: Convert to fraction form
    42,129.12/58,144.68 = 26,005.84/x
  3. Step 3: Cross multiply
    42,129.12x = 58,144.68 × 26,005.84
  4. Step 4: Simplify right side
    42,129.12x = 1,512,101,244.93
  5. Step 5: Solve for x
    x = 1,512,101,244.93/42,129.12
  6. Step 6: Final answer
    x = 35,892.07

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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.