Home / 65,938.50-90,995.19-37,643.58

Finding the Fourth Proportional to 65,938.50, 90,995.19 and 37,643.58

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Solution

The fourth proportional to 65,938.50, 90,995.19 and 37,643.58 is: 51,948.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,938.50 : 90,995.19 = 37,643.58 : x
  2. Step 2: Convert to fraction form
    65,938.50/90,995.19 = 37,643.58/x
  3. Step 3: Cross multiply
    65,938.50x = 90,995.19 × 37,643.58
  4. Step 4: Simplify right side
    65,938.50x = 3,425,384,714.38
  5. Step 5: Solve for x
    x = 3,425,384,714.38/65,938.50
  6. Step 6: Final answer
    x = 51,948.17

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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.