Home / 31,045.56-42,841.44-16,898.40

Finding the Fourth Proportional to 31,045.56, 42,841.44 and 16,898.40

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Solution

The fourth proportional to 31,045.56, 42,841.44 and 16,898.40 is: 23,319.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,045.56 : 42,841.44 = 16,898.40 : x
  2. Step 2: Convert to fraction form
    31,045.56/42,841.44 = 16,898.40/x
  3. Step 3: Cross multiply
    31,045.56x = 42,841.44 × 16,898.40
  4. Step 4: Simplify right side
    31,045.56x = 723,951,789.70
  5. Step 5: Solve for x
    x = 723,951,789.70/31,045.56
  6. Step 6: Final answer
    x = 23,319.01

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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.