Home / 65,465.24-90,350.46-39,966.26

Finding the Fourth Proportional to 65,465.24, 90,350.46 and 39,966.26

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Solution

The fourth proportional to 65,465.24, 90,350.46 and 39,966.26 is: 55,158.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,465.24 : 90,350.46 = 39,966.26 : x
  2. Step 2: Convert to fraction form
    65,465.24/90,350.46 = 39,966.26/x
  3. Step 3: Cross multiply
    65,465.24x = 90,350.46 × 39,966.26
  4. Step 4: Simplify right side
    65,465.24x = 3,610,969,975.48
  5. Step 5: Solve for x
    x = 3,610,969,975.48/65,465.24
  6. Step 6: Final answer
    x = 55,158.58

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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.