Home / 40,242.30-55,534.98-22,338.45

Finding the Fourth Proportional to 40,242.30, 55,534.98 and 22,338.45

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Solution

The fourth proportional to 40,242.30, 55,534.98 and 22,338.45 is: 30,827.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,242.30 : 55,534.98 = 22,338.45 : x
  2. Step 2: Convert to fraction form
    40,242.30/55,534.98 = 22,338.45/x
  3. Step 3: Cross multiply
    40,242.30x = 55,534.98 × 22,338.45
  4. Step 4: Simplify right side
    40,242.30x = 1,240,565,373.98
  5. Step 5: Solve for x
    x = 1,240,565,373.98/40,242.30
  6. Step 6: Final answer
    x = 30,827.40

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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.