Home / 31,197.47-43,053.36-19,097.70

Finding the Fourth Proportional to 31,197.47, 43,053.36 and 19,097.70

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Solution

The fourth proportional to 31,197.47, 43,053.36 and 19,097.70 is: 26,355.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,197.47 : 43,053.36 = 19,097.70 : x
  2. Step 2: Convert to fraction form
    31,197.47/43,053.36 = 19,097.70/x
  3. Step 3: Cross multiply
    31,197.47x = 43,053.36 × 19,097.70
  4. Step 4: Simplify right side
    31,197.47x = 822,220,153.27
  5. Step 5: Solve for x
    x = 822,220,153.27/31,197.47
  6. Step 6: Final answer
    x = 26,355.35

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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.