Home / 31,377.90-43,279.65-26,629.48

Finding the Fourth Proportional to 31,377.90, 43,279.65 and 26,629.48

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Solution

The fourth proportional to 31,377.90, 43,279.65 and 26,629.48 is: 36,730.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,377.90 : 43,279.65 = 26,629.48 : x
  2. Step 2: Convert to fraction form
    31,377.90/43,279.65 = 26,629.48/x
  3. Step 3: Cross multiply
    31,377.90x = 43,279.65 × 26,629.48
  4. Step 4: Simplify right side
    31,377.90x = 1,152,514,574.08
  5. Step 5: Solve for x
    x = 1,152,514,574.08/31,377.90
  6. Step 6: Final answer
    x = 36,730.14

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1.5x scale

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.