Home / 65,565.51-90,480.27-36,885.20

Finding the Fourth Proportional to 65,565.51, 90,480.27 and 36,885.20

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Solution

The fourth proportional to 65,565.51, 90,480.27 and 36,885.20 is: 50,901.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,565.51 : 90,480.27 = 36,885.20 : x
  2. Step 2: Convert to fraction form
    65,565.51/90,480.27 = 36,885.20/x
  3. Step 3: Cross multiply
    65,565.51x = 90,480.27 × 36,885.20
  4. Step 4: Simplify right side
    65,565.51x = 3,337,382,402.60
  5. Step 5: Solve for x
    x = 3,337,382,402.60/65,565.51
  6. Step 6: Final answer
    x = 50,901.49

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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.