Home / 30,287.03-45,438.11-10,565.75

Finding the Fourth Proportional to 30,287.03, 45,438.11 and 10,565.75

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Solution

The fourth proportional to 30,287.03, 45,438.11 and 10,565.75 is: 15,851.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,287.03 : 45,438.11 = 10,565.75 : x
  2. Step 2: Convert to fraction form
    30,287.03/45,438.11 = 10,565.75/x
  3. Step 3: Cross multiply
    30,287.03x = 45,438.11 × 10,565.75
  4. Step 4: Simplify right side
    30,287.03x = 480,087,657.90
  5. Step 5: Solve for x
    x = 480,087,657.90/30,287.03
  6. Step 6: Final answer
    x = 15,851.26

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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.