Home / 32,990.85-45,526.80-18,650.43

Finding the Fourth Proportional to 32,990.85, 45,526.80 and 18,650.43

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Solution

The fourth proportional to 32,990.85, 45,526.80 and 18,650.43 is: 25,737.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,990.85 : 45,526.80 = 18,650.43 : x
  2. Step 2: Convert to fraction form
    32,990.85/45,526.80 = 18,650.43/x
  3. Step 3: Cross multiply
    32,990.85x = 45,526.80 × 18,650.43
  4. Step 4: Simplify right side
    32,990.85x = 849,094,396.52
  5. Step 5: Solve for x
    x = 849,094,396.52/32,990.85
  6. Step 6: Final answer
    x = 25,737.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.