Home / 38,345.06-52,911.92-21,345.39

Finding the Fourth Proportional to 38,345.06, 52,911.92 and 21,345.39

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Solution

The fourth proportional to 38,345.06, 52,911.92 and 21,345.39 is: 29,454.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,345.06 : 52,911.92 = 21,345.39 : x
  2. Step 2: Convert to fraction form
    38,345.06/52,911.92 = 21,345.39/x
  3. Step 3: Cross multiply
    38,345.06x = 52,911.92 × 21,345.39
  4. Step 4: Simplify right side
    38,345.06x = 1,129,425,621.41
  5. Step 5: Solve for x
    x = 1,129,425,621.41/38,345.06
  6. Step 6: Final answer
    x = 29,454.26

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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.