Home / 31,567.20-43,563.63-17,420.95

Finding the Fourth Proportional to 31,567.20, 43,563.63 and 17,420.95

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Solution

The fourth proportional to 31,567.20, 43,563.63 and 17,420.95 is: 24,041.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,567.20 : 43,563.63 = 17,420.95 : x
  2. Step 2: Convert to fraction form
    31,567.20/43,563.63 = 17,420.95/x
  3. Step 3: Cross multiply
    31,567.20x = 43,563.63 × 17,420.95
  4. Step 4: Simplify right side
    31,567.20x = 758,919,820.05
  5. Step 5: Solve for x
    x = 758,919,820.05/31,567.20
  6. Step 6: Final answer
    x = 24,041.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.