Home / 35,655.60-53,432.35-20,040.42

Finding the Fourth Proportional to 35,655.60, 53,432.35 and 20,040.42

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Solution

The fourth proportional to 35,655.60, 53,432.35 and 20,040.42 is: 30,031.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,655.60 : 53,432.35 = 20,040.42 : x
  2. Step 2: Convert to fraction form
    35,655.60/53,432.35 = 20,040.42/x
  3. Step 3: Cross multiply
    35,655.60x = 53,432.35 × 20,040.42
  4. Step 4: Simplify right side
    35,655.60x = 1,070,806,735.59
  5. Step 5: Solve for x
    x = 1,070,806,735.59/35,655.60
  6. Step 6: Final answer
    x = 30,031.94

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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.