Home / 65,904.04-90,943.97-39,049.02

Finding the Fourth Proportional to 65,904.04, 90,943.97 and 39,049.02

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Solution

The fourth proportional to 65,904.04, 90,943.97 and 39,049.02 is: 53,885.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,904.04 : 90,943.97 = 39,049.02 : x
  2. Step 2: Convert to fraction form
    65,904.04/90,943.97 = 39,049.02/x
  3. Step 3: Cross multiply
    65,904.04x = 90,943.97 × 39,049.02
  4. Step 4: Simplify right side
    65,904.04x = 3,551,272,903.41
  5. Step 5: Solve for x
    x = 3,551,272,903.41/65,904.04
  6. Step 6: Final answer
    x = 53,885.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.