Home / 31,400.52-43,335.50-17,969.10

Finding the Fourth Proportional to 31,400.52, 43,335.50 and 17,969.10

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Solution

The fourth proportional to 31,400.52, 43,335.50 and 17,969.10 is: 24,798.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,400.52 : 43,335.50 = 17,969.10 : x
  2. Step 2: Convert to fraction form
    31,400.52/43,335.50 = 17,969.10/x
  3. Step 3: Cross multiply
    31,400.52x = 43,335.50 × 17,969.10
  4. Step 4: Simplify right side
    31,400.52x = 778,699,933.05
  5. Step 5: Solve for x
    x = 778,699,933.05/31,400.52
  6. Step 6: Final answer
    x = 24,798.95

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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.