Home / 55,688.16-76,853.16-30,537.66

Finding the Fourth Proportional to 55,688.16, 76,853.16 and 30,537.66

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Solution

The fourth proportional to 55,688.16, 76,853.16 and 30,537.66 is: 42,143.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,688.16 : 76,853.16 = 30,537.66 : x
  2. Step 2: Convert to fraction form
    55,688.16/76,853.16 = 30,537.66/x
  3. Step 3: Cross multiply
    55,688.16x = 76,853.16 × 30,537.66
  4. Step 4: Simplify right side
    55,688.16x = 2,346,915,670.01
  5. Step 5: Solve for x
    x = 2,346,915,670.01/55,688.16
  6. Step 6: Final answer
    x = 42,143.89

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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.