Home / 43,146.30-64,722.38-14,671.65

Finding the Fourth Proportional to 43,146.30, 64,722.38 and 14,671.65

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Solution

The fourth proportional to 43,146.30, 64,722.38 and 14,671.65 is: 22,008.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,146.30 : 64,722.38 = 14,671.65 : x
  2. Step 2: Convert to fraction form
    43,146.30/64,722.38 = 14,671.65/x
  3. Step 3: Cross multiply
    43,146.30x = 64,722.38 × 14,671.65
  4. Step 4: Simplify right side
    43,146.30x = 949,584,106.53
  5. Step 5: Solve for x
    x = 949,584,106.53/43,146.30
  6. Step 6: Final answer
    x = 22,008.47

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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.