Home / 65,218.29-90,003.47-36,539.16

Finding the Fourth Proportional to 65,218.29, 90,003.47 and 36,539.16

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Solution

The fourth proportional to 65,218.29, 90,003.47 and 36,539.16 is: 50,425.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,218.29 : 90,003.47 = 36,539.16 : x
  2. Step 2: Convert to fraction form
    65,218.29/90,003.47 = 36,539.16/x
  3. Step 3: Cross multiply
    65,218.29x = 90,003.47 × 36,539.16
  4. Step 4: Simplify right side
    65,218.29x = 3,288,651,008.19
  5. Step 5: Solve for x
    x = 3,288,651,008.19/65,218.29
  6. Step 6: Final answer
    x = 50,425.29

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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.