Home / 31,820.40-47,730.60-25,210.80

Finding the Fourth Proportional to 31,820.40, 47,730.60 and 25,210.80

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Solution

The fourth proportional to 31,820.40, 47,730.60 and 25,210.80 is: 37,816.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,820.40 : 47,730.60 = 25,210.80 : x
  2. Step 2: Convert to fraction form
    31,820.40/47,730.60 = 25,210.80/x
  3. Step 3: Cross multiply
    31,820.40x = 47,730.60 × 25,210.80
  4. Step 4: Simplify right side
    31,820.40x = 1,203,326,610.48
  5. Step 5: Solve for x
    x = 1,203,326,610.48/31,820.40
  6. Step 6: Final answer
    x = 37,816.20

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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.