Home / 29,217.80-43,776.30-13,603.40

Finding the Fourth Proportional to 29,217.80, 43,776.30 and 13,603.40

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Solution

The fourth proportional to 29,217.80, 43,776.30 and 13,603.40 is: 20,381.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,217.80 : 43,776.30 = 13,603.40 : x
  2. Step 2: Convert to fraction form
    29,217.80/43,776.30 = 13,603.40/x
  3. Step 3: Cross multiply
    29,217.80x = 43,776.30 × 13,603.40
  4. Step 4: Simplify right side
    29,217.80x = 595,506,519.42
  5. Step 5: Solve for x
    x = 595,506,519.42/29,217.80
  6. Step 6: Final answer
    x = 20,381.63

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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.