Home / 32,419.72-44,754.16-18,989.12

Finding the Fourth Proportional to 32,419.72, 44,754.16 and 18,989.12

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Solution

The fourth proportional to 32,419.72, 44,754.16 and 18,989.12 is: 26,213.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,419.72 : 44,754.16 = 18,989.12 : x
  2. Step 2: Convert to fraction form
    32,419.72/44,754.16 = 18,989.12/x
  3. Step 3: Cross multiply
    32,419.72x = 44,754.16 × 18,989.12
  4. Step 4: Simplify right side
    32,419.72x = 849,842,114.74
  5. Step 5: Solve for x
    x = 849,842,114.74/32,419.72
  6. Step 6: Final answer
    x = 26,213.74

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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.