Home / 55,835.20-77,053.62-30,684.52

Finding the Fourth Proportional to 55,835.20, 77,053.62 and 30,684.52

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Solution

The fourth proportional to 55,835.20, 77,053.62 and 30,684.52 is: 42,345.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,835.20 : 77,053.62 = 30,684.52 : x
  2. Step 2: Convert to fraction form
    55,835.20/77,053.62 = 30,684.52/x
  3. Step 3: Cross multiply
    55,835.20x = 77,053.62 × 30,684.52
  4. Step 4: Simplify right side
    55,835.20x = 2,364,353,343.96
  5. Step 5: Solve for x
    x = 2,364,353,343.96/55,835.20
  6. Step 6: Final answer
    x = 42,345.21

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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.