Home / 30,508.30-45,752.73-15,715.27

Finding the Fourth Proportional to 30,508.30, 45,752.73 and 15,715.27

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Solution

The fourth proportional to 30,508.30, 45,752.73 and 15,715.27 is: 23,567.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,508.30 : 45,752.73 = 15,715.27 : x
  2. Step 2: Convert to fraction form
    30,508.30/45,752.73 = 15,715.27/x
  3. Step 3: Cross multiply
    30,508.30x = 45,752.73 × 15,715.27
  4. Step 4: Simplify right side
    30,508.30x = 719,016,505.19
  5. Step 5: Solve for x
    x = 719,016,505.19/30,508.30
  6. Step 6: Final answer
    x = 23,567.90

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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.