Home / 65,461.07-90,332.84-36,781.86

Finding the Fourth Proportional to 65,461.07, 90,332.84 and 36,781.86

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Solution

The fourth proportional to 65,461.07, 90,332.84 and 36,781.86 is: 50,757.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,461.07 : 90,332.84 = 36,781.86 : x
  2. Step 2: Convert to fraction form
    65,461.07/90,332.84 = 36,781.86/x
  3. Step 3: Cross multiply
    65,461.07x = 90,332.84 × 36,781.86
  4. Step 4: Simplify right side
    65,461.07x = 3,322,609,690.37
  5. Step 5: Solve for x
    x = 3,322,609,690.37/65,461.07
  6. Step 6: Final answer
    x = 50,757.04

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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.