Home / 31,812.40-47,718.60-27,924.40

Finding the Fourth Proportional to 31,812.40, 47,718.60 and 27,924.40

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Solution

The fourth proportional to 31,812.40, 47,718.60 and 27,924.40 is: 41,886.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,812.40 : 47,718.60 = 27,924.40 : x
  2. Step 2: Convert to fraction form
    31,812.40/47,718.60 = 27,924.40/x
  3. Step 3: Cross multiply
    31,812.40x = 47,718.60 × 27,924.40
  4. Step 4: Simplify right side
    31,812.40x = 1,332,513,273.84
  5. Step 5: Solve for x
    x = 1,332,513,273.84/31,812.40
  6. Step 6: Final answer
    x = 41,886.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.