Home / 40,688.20-61,032.30-25,114.60

Finding the Fourth Proportional to 40,688.20, 61,032.30 and 25,114.60

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Solution

The fourth proportional to 40,688.20, 61,032.30 and 25,114.60 is: 37,671.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,688.20 : 61,032.30 = 25,114.60 : x
  2. Step 2: Convert to fraction form
    40,688.20/61,032.30 = 25,114.60/x
  3. Step 3: Cross multiply
    40,688.20x = 61,032.30 × 25,114.60
  4. Step 4: Simplify right side
    40,688.20x = 1,532,801,801.58
  5. Step 5: Solve for x
    x = 1,532,801,801.58/40,688.20
  6. Step 6: Final answer
    x = 37,671.90

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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.