Home / 42,058.24-57,987.12-27,715.84

Finding the Fourth Proportional to 42,058.24, 57,987.12 and 27,715.84

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Solution

The fourth proportional to 42,058.24, 57,987.12 and 27,715.84 is: 38,212.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,058.24 : 57,987.12 = 27,715.84 : x
  2. Step 2: Convert to fraction form
    42,058.24/57,987.12 = 27,715.84/x
  3. Step 3: Cross multiply
    42,058.24x = 57,987.12 × 27,715.84
  4. Step 4: Simplify right side
    42,058.24x = 1,607,161,739.98
  5. Step 5: Solve for x
    x = 1,607,161,739.98/42,058.24
  6. Step 6: Final answer
    x = 38,212.77

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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.