Home / 40,542.36-55,944-22,638.12

Finding the Fourth Proportional to 40,542.36, 55,944 and 22,638.12

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Solution

The fourth proportional to 40,542.36, 55,944 and 22,638.12 is: 31,238.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,542.36 : 55,944 = 22,638.12 : x
  2. Step 2: Convert to fraction form
    40,542.36/55,944 = 22,638.12/x
  3. Step 3: Cross multiply
    40,542.36x = 55,944 × 22,638.12
  4. Step 4: Simplify right side
    40,542.36x = 1,266,466,985.28
  5. Step 5: Solve for x
    x = 1,266,466,985.28/40,542.36
  6. Step 6: Final answer
    x = 31,238.12

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Double scale
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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.