Home / 34,660.60-47,839.48-28,985.49

Finding the Fourth Proportional to 34,660.60, 47,839.48 and 28,985.49

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Solution

The fourth proportional to 34,660.60, 47,839.48 and 28,985.49 is: 40,006.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,660.60 : 47,839.48 = 28,985.49 : x
  2. Step 2: Convert to fraction form
    34,660.60/47,839.48 = 28,985.49/x
  3. Step 3: Cross multiply
    34,660.60x = 47,839.48 × 28,985.49
  4. Step 4: Simplify right side
    34,660.60x = 1,386,650,696.68
  5. Step 5: Solve for x
    x = 1,386,650,696.68/34,660.60
  6. Step 6: Final answer
    x = 40,006.54

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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.