Home / 29,999.20-45,024.40-13,384.80

Finding the Fourth Proportional to 29,999.20, 45,024.40 and 13,384.80

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Solution

The fourth proportional to 29,999.20, 45,024.40 and 13,384.80 is: 20,088.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,999.20 : 45,024.40 = 13,384.80 : x
  2. Step 2: Convert to fraction form
    29,999.20/45,024.40 = 13,384.80/x
  3. Step 3: Cross multiply
    29,999.20x = 45,024.40 × 13,384.80
  4. Step 4: Simplify right side
    29,999.20x = 602,642,589.12
  5. Step 5: Solve for x
    x = 602,642,589.12/29,999.20
  6. Step 6: Final answer
    x = 20,088.62

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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.