Home / 39,655.20-59,418.48-20,934.24

Finding the Fourth Proportional to 39,655.20, 59,418.48 and 20,934.24

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Solution

The fourth proportional to 39,655.20, 59,418.48 and 20,934.24 is: 31,367.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,655.20 : 59,418.48 = 20,934.24 : x
  2. Step 2: Convert to fraction form
    39,655.20/59,418.48 = 20,934.24/x
  3. Step 3: Cross multiply
    39,655.20x = 59,418.48 × 20,934.24
  4. Step 4: Simplify right side
    39,655.20x = 1,243,880,720.76
  5. Step 5: Solve for x
    x = 1,243,880,720.76/39,655.20
  6. Step 6: Final answer
    x = 31,367.41

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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.