Home / 45,369.18-62,540.10-31,903.74

Finding the Fourth Proportional to 45,369.18, 62,540.10 and 31,903.74

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Solution

The fourth proportional to 45,369.18, 62,540.10 and 31,903.74 is: 43,978.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,369.18 : 62,540.10 = 31,903.74 : x
  2. Step 2: Convert to fraction form
    45,369.18/62,540.10 = 31,903.74/x
  3. Step 3: Cross multiply
    45,369.18x = 62,540.10 × 31,903.74
  4. Step 4: Simplify right side
    45,369.18x = 1,995,263,089.97
  5. Step 5: Solve for x
    x = 1,995,263,089.97/45,369.18
  6. Step 6: Final answer
    x = 43,978.38

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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.