Home / 42,122.13-58,128.53-27,218.13

Finding the Fourth Proportional to 42,122.13, 58,128.53 and 27,218.13

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Solution

The fourth proportional to 42,122.13, 58,128.53 and 27,218.13 is: 37,561.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,122.13 : 58,128.53 = 27,218.13 : x
  2. Step 2: Convert to fraction form
    42,122.13/58,128.53 = 27,218.13/x
  3. Step 3: Cross multiply
    42,122.13x = 58,128.53 × 27,218.13
  4. Step 4: Simplify right side
    42,122.13x = 1,582,149,886.25
  5. Step 5: Solve for x
    x = 1,582,149,886.25/42,122.13
  6. Step 6: Final answer
    x = 37,561.01

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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.