Home / 39,968.48-55,156.40-22,063.52

Finding the Fourth Proportional to 39,968.48, 55,156.40 and 22,063.52

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Solution

The fourth proportional to 39,968.48, 55,156.40 and 22,063.52 is: 30,447.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,968.48 : 55,156.40 = 22,063.52 : x
  2. Step 2: Convert to fraction form
    39,968.48/55,156.40 = 22,063.52/x
  3. Step 3: Cross multiply
    39,968.48x = 55,156.40 × 22,063.52
  4. Step 4: Simplify right side
    39,968.48x = 1,216,944,334.53
  5. Step 5: Solve for x
    x = 1,216,944,334.53/39,968.48
  6. Step 6: Final answer
    x = 30,447.60

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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.