Home / 61,142.93-84,341.41-38,445.95

Finding the Fourth Proportional to 61,142.93, 84,341.41 and 38,445.95

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Solution

The fourth proportional to 61,142.93, 84,341.41 and 38,445.95 is: 53,032.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,142.93 : 84,341.41 = 38,445.95 : x
  2. Step 2: Convert to fraction form
    61,142.93/84,341.41 = 38,445.95/x
  3. Step 3: Cross multiply
    61,142.93x = 84,341.41 × 38,445.95
  4. Step 4: Simplify right side
    61,142.93x = 3,242,585,631.79
  5. Step 5: Solve for x
    x = 3,242,585,631.79/61,142.93
  6. Step 6: Final answer
    x = 53,032.88

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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.