Home / 38,307.55-57,508.32-30,040.15

Finding the Fourth Proportional to 38,307.55, 57,508.32 and 30,040.15

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Solution

The fourth proportional to 38,307.55, 57,508.32 and 30,040.15 is: 45,097.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,307.55 : 57,508.32 = 30,040.15 : x
  2. Step 2: Convert to fraction form
    38,307.55/57,508.32 = 30,040.15/x
  3. Step 3: Cross multiply
    38,307.55x = 57,508.32 × 30,040.15
  4. Step 4: Simplify right side
    38,307.55x = 1,727,558,559.05
  5. Step 5: Solve for x
    x = 1,727,558,559.05/38,307.55
  6. Step 6: Final answer
    x = 45,097.08

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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.