Home / 65,832.51-90,849.29-40,338.93

Finding the Fourth Proportional to 65,832.51, 90,849.29 and 40,338.93

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Solution

The fourth proportional to 65,832.51, 90,849.29 and 40,338.93 is: 55,667.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,832.51 : 90,849.29 = 40,338.93 : x
  2. Step 2: Convert to fraction form
    65,832.51/90,849.29 = 40,338.93/x
  3. Step 3: Cross multiply
    65,832.51x = 90,849.29 × 40,338.93
  4. Step 4: Simplify right side
    65,832.51x = 3,664,762,948.17
  5. Step 5: Solve for x
    x = 3,664,762,948.17/65,832.51
  6. Step 6: Final answer
    x = 55,667.98

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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.