Home / 30,359.04-45,507.84-12,565.14

Finding the Fourth Proportional to 30,359.04, 45,507.84 and 12,565.14

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Solution

The fourth proportional to 30,359.04, 45,507.84 and 12,565.14 is: 18,835.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,359.04 : 45,507.84 = 12,565.14 : x
  2. Step 2: Convert to fraction form
    30,359.04/45,507.84 = 12,565.14/x
  3. Step 3: Cross multiply
    30,359.04x = 45,507.84 × 12,565.14
  4. Step 4: Simplify right side
    30,359.04x = 571,812,380.70
  5. Step 5: Solve for x
    x = 571,812,380.70/30,359.04
  6. Step 6: Final answer
    x = 18,835.00

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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.