Home / 47,327.90-70,990.12-19,247.15

Finding the Fourth Proportional to 47,327.90, 70,990.12 and 19,247.15

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Solution

The fourth proportional to 47,327.90, 70,990.12 and 19,247.15 is: 28,870.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,327.90 : 70,990.12 = 19,247.15 : x
  2. Step 2: Convert to fraction form
    47,327.90/70,990.12 = 19,247.15/x
  3. Step 3: Cross multiply
    47,327.90x = 70,990.12 × 19,247.15
  4. Step 4: Simplify right side
    47,327.90x = 1,366,357,689.69
  5. Step 5: Solve for x
    x = 1,366,357,689.69/47,327.90
  6. Step 6: Final answer
    x = 28,870.03

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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.