Home / 42,912.71-64,353.26-14,825.55

Finding the Fourth Proportional to 42,912.71, 64,353.26 and 14,825.55

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Solution

The fourth proportional to 42,912.71, 64,353.26 and 14,825.55 is: 22,232.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,912.71 : 64,353.26 = 14,825.55 : x
  2. Step 2: Convert to fraction form
    42,912.71/64,353.26 = 14,825.55/x
  3. Step 3: Cross multiply
    42,912.71x = 64,353.26 × 14,825.55
  4. Step 4: Simplify right side
    42,912.71x = 954,072,752.18
  5. Step 5: Solve for x
    x = 954,072,752.18/42,912.71
  6. Step 6: Final answer
    x = 22,232.87

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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.