Home / 42,023.64-63,035.28-12,441.66

Finding the Fourth Proportional to 42,023.64, 63,035.28 and 12,441.66

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Solution

The fourth proportional to 42,023.64, 63,035.28 and 12,441.66 is: 18,662.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,023.64 : 63,035.28 = 12,441.66 : x
  2. Step 2: Convert to fraction form
    42,023.64/63,035.28 = 12,441.66/x
  3. Step 3: Cross multiply
    42,023.64x = 63,035.28 × 12,441.66
  4. Step 4: Simplify right side
    42,023.64x = 784,263,521.76
  5. Step 5: Solve for x
    x = 784,263,521.76/42,023.64
  6. Step 6: Final answer
    x = 18,662.44

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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.