Home / 51,547.20-71,135.93-31,404.93

Finding the Fourth Proportional to 51,547.20, 71,135.93 and 31,404.93

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Solution

The fourth proportional to 51,547.20, 71,135.93 and 31,404.93 is: 43,339.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,547.20 : 71,135.93 = 31,404.93 : x
  2. Step 2: Convert to fraction form
    51,547.20/71,135.93 = 31,404.93/x
  3. Step 3: Cross multiply
    51,547.20x = 71,135.93 × 31,404.93
  4. Step 4: Simplify right side
    51,547.20x = 2,234,018,902.13
  5. Step 5: Solve for x
    x = 2,234,018,902.13/51,547.20
  6. Step 6: Final answer
    x = 43,339.29

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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.