Home / 57,864.51-86,697.68-31,587.66

Finding the Fourth Proportional to 57,864.51, 86,697.68 and 31,587.66

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Solution

The fourth proportional to 57,864.51, 86,697.68 and 31,587.66 is: 47,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,864.51 : 86,697.68 = 31,587.66 : x
  2. Step 2: Convert to fraction form
    57,864.51/86,697.68 = 31,587.66/x
  3. Step 3: Cross multiply
    57,864.51x = 86,697.68 × 31,587.66
  4. Step 4: Simplify right side
    57,864.51x = 2,738,576,680.69
  5. Step 5: Solve for x
    x = 2,738,576,680.69/57,864.51
  6. Step 6: Final answer
    x = 47,327.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.