Home / 43,263.84-64,902.24-13,672.20

Finding the Fourth Proportional to 43,263.84, 64,902.24 and 13,672.20

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Solution

The fourth proportional to 43,263.84, 64,902.24 and 13,672.20 is: 20,510.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,263.84 : 64,902.24 = 13,672.20 : x
  2. Step 2: Convert to fraction form
    43,263.84/64,902.24 = 13,672.20/x
  3. Step 3: Cross multiply
    43,263.84x = 64,902.24 × 13,672.20
  4. Step 4: Simplify right side
    43,263.84x = 887,356,405.73
  5. Step 5: Solve for x
    x = 887,356,405.73/43,263.84
  6. Step 6: Final answer
    x = 20,510.35

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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.