Home / 31,264.61-43,152.75-19,320.75

Finding the Fourth Proportional to 31,264.61, 43,152.75 and 19,320.75

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Solution

The fourth proportional to 31,264.61, 43,152.75 and 19,320.75 is: 26,667.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,264.61 : 43,152.75 = 19,320.75 : x
  2. Step 2: Convert to fraction form
    31,264.61/43,152.75 = 19,320.75/x
  3. Step 3: Cross multiply
    31,264.61x = 43,152.75 × 19,320.75
  4. Step 4: Simplify right side
    31,264.61x = 833,743,494.56
  5. Step 5: Solve for x
    x = 833,743,494.56/31,264.61
  6. Step 6: Final answer
    x = 26,667.33

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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.