Home / 38,720.12-58,080.45-15,346.49

Finding the Fourth Proportional to 38,720.12, 58,080.45 and 15,346.49

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Solution

The fourth proportional to 38,720.12, 58,080.45 and 15,346.49 is: 23,019.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,720.12 : 58,080.45 = 15,346.49 : x
  2. Step 2: Convert to fraction form
    38,720.12/58,080.45 = 15,346.49/x
  3. Step 3: Cross multiply
    38,720.12x = 58,080.45 × 15,346.49
  4. Step 4: Simplify right side
    38,720.12x = 891,331,045.12
  5. Step 5: Solve for x
    x = 891,331,045.12/38,720.12
  6. Step 6: Final answer
    x = 23,019.84

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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.