Home / 35,988.96-54,007.55-12,615.41

Finding the Fourth Proportional to 35,988.96, 54,007.55 and 12,615.41

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Solution

The fourth proportional to 35,988.96, 54,007.55 and 12,615.41 is: 18,931.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,988.96 : 54,007.55 = 12,615.41 : x
  2. Step 2: Convert to fraction form
    35,988.96/54,007.55 = 12,615.41/x
  3. Step 3: Cross multiply
    35,988.96x = 54,007.55 × 12,615.41
  4. Step 4: Simplify right side
    35,988.96x = 681,327,053.23
  5. Step 5: Solve for x
    x = 681,327,053.23/35,988.96
  6. Step 6: Final answer
    x = 18,931.56

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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.