Home / 32,838.66-45,317.40-18,691.50

Finding the Fourth Proportional to 32,838.66, 45,317.40 and 18,691.50

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Solution

The fourth proportional to 32,838.66, 45,317.40 and 18,691.50 is: 25,794.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,838.66 : 45,317.40 = 18,691.50 : x
  2. Step 2: Convert to fraction form
    32,838.66/45,317.40 = 18,691.50/x
  3. Step 3: Cross multiply
    32,838.66x = 45,317.40 × 18,691.50
  4. Step 4: Simplify right side
    32,838.66x = 847,050,182.10
  5. Step 5: Solve for x
    x = 847,050,182.10/32,838.66
  6. Step 6: Final answer
    x = 25,794.30

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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.