Home / 38,988.05-58,481.51-9,405.63

Finding the Fourth Proportional to 38,988.05, 58,481.51 and 9,405.63

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Solution

The fourth proportional to 38,988.05, 58,481.51 and 9,405.63 is: 14,108.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,988.05 : 58,481.51 = 9,405.63 : x
  2. Step 2: Convert to fraction form
    38,988.05/58,481.51 = 9,405.63/x
  3. Step 3: Cross multiply
    38,988.05x = 58,481.51 × 9,405.63
  4. Step 4: Simplify right side
    38,988.05x = 550,055,397.87
  5. Step 5: Solve for x
    x = 550,055,397.87/38,988.05
  6. Step 6: Final answer
    x = 14,108.31

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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.