Home / 42,836.28-64,238.46-14,748.48

Finding the Fourth Proportional to 42,836.28, 64,238.46 and 14,748.48

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Solution

The fourth proportional to 42,836.28, 64,238.46 and 14,748.48 is: 22,117.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,836.28 : 64,238.46 = 14,748.48 : x
  2. Step 2: Convert to fraction form
    42,836.28/64,238.46 = 14,748.48/x
  3. Step 3: Cross multiply
    42,836.28x = 64,238.46 × 14,748.48
  4. Step 4: Simplify right side
    42,836.28x = 947,419,642.54
  5. Step 5: Solve for x
    x = 947,419,642.54/42,836.28
  6. Step 6: Final answer
    x = 22,117.22

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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.