Home / 31,052.76-42,851.52-16,905.62

Finding the Fourth Proportional to 31,052.76, 42,851.52 and 16,905.62

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Solution

The fourth proportional to 31,052.76, 42,851.52 and 16,905.62 is: 23,329.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,052.76 : 42,851.52 = 16,905.62 : x
  2. Step 2: Convert to fraction form
    31,052.76/42,851.52 = 16,905.62/x
  3. Step 3: Cross multiply
    31,052.76x = 42,851.52 × 16,905.62
  4. Step 4: Simplify right side
    31,052.76x = 724,431,299.28
  5. Step 5: Solve for x
    x = 724,431,299.28/31,052.76
  6. Step 6: Final answer
    x = 23,329.05

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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.