Home / 38,309.29-57,449.72-13,342.93

Finding the Fourth Proportional to 38,309.29, 57,449.72 and 13,342.93

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Solution

The fourth proportional to 38,309.29, 57,449.72 and 13,342.93 is: 20,009.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,309.29 : 57,449.72 = 13,342.93 : x
  2. Step 2: Convert to fraction form
    38,309.29/57,449.72 = 13,342.93/x
  3. Step 3: Cross multiply
    38,309.29x = 57,449.72 × 13,342.93
  4. Step 4: Simplify right side
    38,309.29x = 766,547,525.76
  5. Step 5: Solve for x
    x = 766,547,525.76/38,309.29
  6. Step 6: Final answer
    x = 20,009.44

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1.5x scale

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.