Home / 55,295.64-76,307.76-30,145.14

Finding the Fourth Proportional to 55,295.64, 76,307.76 and 30,145.14

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Solution

The fourth proportional to 55,295.64, 76,307.76 and 30,145.14 is: 41,600.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,295.64 : 76,307.76 = 30,145.14 : x
  2. Step 2: Convert to fraction form
    55,295.64/76,307.76 = 30,145.14/x
  3. Step 3: Cross multiply
    55,295.64x = 76,307.76 × 30,145.14
  4. Step 4: Simplify right side
    55,295.64x = 2,300,308,108.29
  5. Step 5: Solve for x
    x = 2,300,308,108.29/55,295.64
  6. Step 6: Final answer
    x = 41,600.17

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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.