Home / 57,864.72-86,656.94-40,045.46

Finding the Fourth Proportional to 57,864.72, 86,656.94 and 40,045.46

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Solution

The fourth proportional to 57,864.72, 86,656.94 and 40,045.46 is: 59,971.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,864.72 : 86,656.94 = 40,045.46 : x
  2. Step 2: Convert to fraction form
    57,864.72/86,656.94 = 40,045.46/x
  3. Step 3: Cross multiply
    57,864.72x = 86,656.94 × 40,045.46
  4. Step 4: Simplify right side
    57,864.72x = 3,470,216,390.98
  5. Step 5: Solve for x
    x = 3,470,216,390.98/57,864.72
  6. Step 6: Final answer
    x = 59,971.19

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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.