Home / 42,058.40-58,040.64-22,938.21

Finding the Fourth Proportional to 42,058.40, 58,040.64 and 22,938.21

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Solution

The fourth proportional to 42,058.40, 58,040.64 and 22,938.21 is: 31,654.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,058.40 : 58,040.64 = 22,938.21 : x
  2. Step 2: Convert to fraction form
    42,058.40/58,040.64 = 22,938.21/x
  3. Step 3: Cross multiply
    42,058.40x = 58,040.64 × 22,938.21
  4. Step 4: Simplify right side
    42,058.40x = 1,331,348,388.85
  5. Step 5: Solve for x
    x = 1,331,348,388.85/42,058.40
  6. Step 6: Final answer
    x = 31,654.76

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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.