Home / 40,897.45-56,437.66-22,747.78

Finding the Fourth Proportional to 40,897.45, 56,437.66 and 22,747.78

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Solution

The fourth proportional to 40,897.45, 56,437.66 and 22,747.78 is: 31,391.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,897.45 : 56,437.66 = 22,747.78 : x
  2. Step 2: Convert to fraction form
    40,897.45/56,437.66 = 22,747.78/x
  3. Step 3: Cross multiply
    40,897.45x = 56,437.66 × 22,747.78
  4. Step 4: Simplify right side
    40,897.45x = 1,283,831,191.21
  5. Step 5: Solve for x
    x = 1,283,831,191.21/40,897.45
  6. Step 6: Final answer
    x = 31,391.48

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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.