Home / 61,042.04-91,587.17-18,925.45

Finding the Fourth Proportional to 61,042.04, 91,587.17 and 18,925.45

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Solution

The fourth proportional to 61,042.04, 91,587.17 and 18,925.45 is: 28,395.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,042.04 : 91,587.17 = 18,925.45 : x
  2. Step 2: Convert to fraction form
    61,042.04/91,587.17 = 18,925.45/x
  3. Step 3: Cross multiply
    61,042.04x = 91,587.17 × 18,925.45
  4. Step 4: Simplify right side
    61,042.04x = 1,733,328,224.82
  5. Step 5: Solve for x
    x = 1,733,328,224.82/61,042.04
  6. Step 6: Final answer
    x = 28,395.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.