Home / 32,132.16-48,188.52-18,981

Finding the Fourth Proportional to 32,132.16, 48,188.52 and 18,981

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Solution

The fourth proportional to 32,132.16, 48,188.52 and 18,981 is: 28,465.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,132.16 : 48,188.52 = 18,981 : x
  2. Step 2: Convert to fraction form
    32,132.16/48,188.52 = 18,981/x
  3. Step 3: Cross multiply
    32,132.16x = 48,188.52 × 18,981
  4. Step 4: Simplify right side
    32,132.16x = 914,666,298.12
  5. Step 5: Solve for x
    x = 914,666,298.12/32,132.16
  6. Step 6: Final answer
    x = 28,465.76

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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.