Home / 22,990.48-34,509.85-20,374.72

Finding the Fourth Proportional to 22,990.48, 34,509.85 and 20,374.72

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Solution

The fourth proportional to 22,990.48, 34,509.85 and 20,374.72 is: 30,583.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,990.48 : 34,509.85 = 20,374.72 : x
  2. Step 2: Convert to fraction form
    22,990.48/34,509.85 = 20,374.72/x
  3. Step 3: Cross multiply
    22,990.48x = 34,509.85 × 20,374.72
  4. Step 4: Simplify right side
    22,990.48x = 703,128,393.78
  5. Step 5: Solve for x
    x = 703,128,393.78/22,990.48
  6. Step 6: Final answer
    x = 30,583.46

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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.