Home / 35,766.40-53,649.60-20,982.40

Finding the Fourth Proportional to 35,766.40, 53,649.60 and 20,982.40

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Solution

The fourth proportional to 35,766.40, 53,649.60 and 20,982.40 is: 31,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,766.40 : 53,649.60 = 20,982.40 : x
  2. Step 2: Convert to fraction form
    35,766.40/53,649.60 = 20,982.40/x
  3. Step 3: Cross multiply
    35,766.40x = 53,649.60 × 20,982.40
  4. Step 4: Simplify right side
    35,766.40x = 1,125,697,367.04
  5. Step 5: Solve for x
    x = 1,125,697,367.04/35,766.40
  6. Step 6: Final answer
    x = 31,473.60

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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.