Home / 60,675.24-91,024.20-20,690.40

Finding the Fourth Proportional to 60,675.24, 91,024.20 and 20,690.40

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Solution

The fourth proportional to 60,675.24, 91,024.20 and 20,690.40 is: 31,039.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,675.24 : 91,024.20 = 20,690.40 : x
  2. Step 2: Convert to fraction form
    60,675.24/91,024.20 = 20,690.40/x
  3. Step 3: Cross multiply
    60,675.24x = 91,024.20 × 20,690.40
  4. Step 4: Simplify right side
    60,675.24x = 1,883,327,107.68
  5. Step 5: Solve for x
    x = 1,883,327,107.68/60,675.24
  6. Step 6: Final answer
    x = 31,039.47

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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.