Home / 48,508.90-66,929.13-28,370.74

Finding the Fourth Proportional to 48,508.90, 66,929.13 and 28,370.74

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Solution

The fourth proportional to 48,508.90, 66,929.13 and 28,370.74 is: 39,143.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,508.90 : 66,929.13 = 28,370.74 : x
  2. Step 2: Convert to fraction form
    48,508.90/66,929.13 = 28,370.74/x
  3. Step 3: Cross multiply
    48,508.90x = 66,929.13 × 28,370.74
  4. Step 4: Simplify right side
    48,508.90x = 1,898,828,945.66
  5. Step 5: Solve for x
    x = 1,898,828,945.66/48,508.90
  6. Step 6: Final answer
    x = 39,143.93

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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.