Home / 40,681.40-56,141.10-22,776.39

Finding the Fourth Proportional to 40,681.40, 56,141.10 and 22,776.39

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Solution

The fourth proportional to 40,681.40, 56,141.10 and 22,776.39 is: 31,431.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,681.40 : 56,141.10 = 22,776.39 : x
  2. Step 2: Convert to fraction form
    40,681.40/56,141.10 = 22,776.39/x
  3. Step 3: Cross multiply
    40,681.40x = 56,141.10 × 22,776.39
  4. Step 4: Simplify right side
    40,681.40x = 1,278,691,588.63
  5. Step 5: Solve for x
    x = 1,278,691,588.63/40,681.40
  6. Step 6: Final answer
    x = 31,431.85

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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.