Home / 65,565.18-90,476.60-36,885.51

Finding the Fourth Proportional to 65,565.18, 90,476.60 and 36,885.51

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Solution

The fourth proportional to 65,565.18, 90,476.60 and 36,885.51 is: 50,900.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,565.18 : 90,476.60 = 36,885.51 : x
  2. Step 2: Convert to fraction form
    65,565.18/90,476.60 = 36,885.51/x
  3. Step 3: Cross multiply
    65,565.18x = 90,476.60 × 36,885.51
  4. Step 4: Simplify right side
    65,565.18x = 3,337,275,349.64
  5. Step 5: Solve for x
    x = 3,337,275,349.64/65,565.18
  6. Step 6: Final answer
    x = 50,900.12

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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.