Home / 31,521.60-47,224.80-25,646.40

Finding the Fourth Proportional to 31,521.60, 47,224.80 and 25,646.40

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Solution

The fourth proportional to 31,521.60, 47,224.80 and 25,646.40 is: 38,422.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,521.60 : 47,224.80 = 25,646.40 : x
  2. Step 2: Convert to fraction form
    31,521.60/47,224.80 = 25,646.40/x
  3. Step 3: Cross multiply
    31,521.60x = 47,224.80 × 25,646.40
  4. Step 4: Simplify right side
    31,521.60x = 1,211,146,110.72
  5. Step 5: Solve for x
    x = 1,211,146,110.72/31,521.60
  6. Step 6: Final answer
    x = 38,422.74

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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.