Home / 32,113.45-44,319.18-18,505.72

Finding the Fourth Proportional to 32,113.45, 44,319.18 and 18,505.72

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Solution

The fourth proportional to 32,113.45, 44,319.18 and 18,505.72 is: 25,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,113.45 : 44,319.18 = 18,505.72 : x
  2. Step 2: Convert to fraction form
    32,113.45/44,319.18 = 18,505.72/x
  3. Step 3: Cross multiply
    32,113.45x = 44,319.18 × 18,505.72
  4. Step 4: Simplify right side
    32,113.45x = 820,158,335.71
  5. Step 5: Solve for x
    x = 820,158,335.71/32,113.45
  6. Step 6: Final answer
    x = 25,539.40

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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.