Home / 32,278.50-48,417.75-10,390.50

Finding the Fourth Proportional to 32,278.50, 48,417.75 and 10,390.50

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Solution

The fourth proportional to 32,278.50, 48,417.75 and 10,390.50 is: 15,585.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,278.50 : 48,417.75 = 10,390.50 : x
  2. Step 2: Convert to fraction form
    32,278.50/48,417.75 = 10,390.50/x
  3. Step 3: Cross multiply
    32,278.50x = 48,417.75 × 10,390.50
  4. Step 4: Simplify right side
    32,278.50x = 503,084,631.38
  5. Step 5: Solve for x
    x = 503,084,631.38/32,278.50
  6. Step 6: Final answer
    x = 15,585.75

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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.