Home / 31,292.84-43,149.56-19,944.40

Finding the Fourth Proportional to 31,292.84, 43,149.56 and 19,944.40

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Solution

The fourth proportional to 31,292.84, 43,149.56 and 19,944.40 is: 27,501.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,292.84 : 43,149.56 = 19,944.40 : x
  2. Step 2: Convert to fraction form
    31,292.84/43,149.56 = 19,944.40/x
  3. Step 3: Cross multiply
    31,292.84x = 43,149.56 × 19,944.40
  4. Step 4: Simplify right side
    31,292.84x = 860,592,084.46
  5. Step 5: Solve for x
    x = 860,592,084.46/31,292.84
  6. Step 6: Final answer
    x = 27,501.25

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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.