Home / 42,836.80-64,239.22-14,748.92

Finding the Fourth Proportional to 42,836.80, 64,239.22 and 14,748.92

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Solution

The fourth proportional to 42,836.80, 64,239.22 and 14,748.92 is: 22,117.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,836.80 : 64,239.22 = 14,748.92 : x
  2. Step 2: Convert to fraction form
    42,836.80/64,239.22 = 14,748.92/x
  3. Step 3: Cross multiply
    42,836.80x = 64,239.22 × 14,748.92
  4. Step 4: Simplify right side
    42,836.80x = 947,459,116.64
  5. Step 5: Solve for x
    x = 947,459,116.64/42,836.80
  6. Step 6: Final answer
    x = 22,117.88

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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.