Home / 43,266.68-64,911.52-13,685.04

Finding the Fourth Proportional to 43,266.68, 64,911.52 and 13,685.04

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Solution

The fourth proportional to 43,266.68, 64,911.52 and 13,685.04 is: 20,531.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,266.68 : 64,911.52 = 13,685.04 : x
  2. Step 2: Convert to fraction form
    43,266.68/64,911.52 = 13,685.04/x
  3. Step 3: Cross multiply
    43,266.68x = 64,911.52 × 13,685.04
  4. Step 4: Simplify right side
    43,266.68x = 888,316,747.66
  5. Step 5: Solve for x
    x = 888,316,747.66/43,266.68
  6. Step 6: Final answer
    x = 20,531.20

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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.