Home / 31,044.87-42,841.71-16,897.68

Finding the Fourth Proportional to 31,044.87, 42,841.71 and 16,897.68

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Solution

The fourth proportional to 31,044.87, 42,841.71 and 16,897.68 is: 23,318.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,044.87 : 42,841.71 = 16,897.68 : x
  2. Step 2: Convert to fraction form
    31,044.87/42,841.71 = 16,897.68/x
  3. Step 3: Cross multiply
    31,044.87x = 42,841.71 × 16,897.68
  4. Step 4: Simplify right side
    31,044.87x = 723,925,506.23
  5. Step 5: Solve for x
    x = 723,925,506.23/31,044.87
  6. Step 6: Final answer
    x = 23,318.68

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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.