Home / 30,437.65-45,666.85-16,399.12

Finding the Fourth Proportional to 30,437.65, 45,666.85 and 16,399.12

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Solution

The fourth proportional to 30,437.65, 45,666.85 and 16,399.12 is: 24,604.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,437.65 : 45,666.85 = 16,399.12 : x
  2. Step 2: Convert to fraction form
    30,437.65/45,666.85 = 16,399.12/x
  3. Step 3: Cross multiply
    30,437.65x = 45,666.85 × 16,399.12
  4. Step 4: Simplify right side
    30,437.65x = 748,895,998.01
  5. Step 5: Solve for x
    x = 748,895,998.01/30,437.65
  6. Step 6: Final answer
    x = 24,604.27

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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.