Home / 43,017.83-64,524.45-13,432.28

Finding the Fourth Proportional to 43,017.83, 64,524.45 and 13,432.28

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Solution

The fourth proportional to 43,017.83, 64,524.45 and 13,432.28 is: 20,147.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,017.83 : 64,524.45 = 13,432.28 : x
  2. Step 2: Convert to fraction form
    43,017.83/64,524.45 = 13,432.28/x
  3. Step 3: Cross multiply
    43,017.83x = 64,524.45 × 13,432.28
  4. Step 4: Simplify right side
    43,017.83x = 866,710,479.25
  5. Step 5: Solve for x
    x = 866,710,479.25/43,017.83
  6. Step 6: Final answer
    x = 20,147.70

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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.