Home / 31,010.60-42,795.52-19,080.92

Finding the Fourth Proportional to 31,010.60, 42,795.52 and 19,080.92

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Solution

The fourth proportional to 31,010.60, 42,795.52 and 19,080.92 is: 26,332.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,010.60 : 42,795.52 = 19,080.92 : x
  2. Step 2: Convert to fraction form
    31,010.60/42,795.52 = 19,080.92/x
  3. Step 3: Cross multiply
    31,010.60x = 42,795.52 × 19,080.92
  4. Step 4: Simplify right side
    31,010.60x = 816,577,631.80
  5. Step 5: Solve for x
    x = 816,577,631.80/31,010.60
  6. Step 6: Final answer
    x = 26,332.21

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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.