Home / 35,833.78-49,501.18-28,711

Finding the Fourth Proportional to 35,833.78, 49,501.18 and 28,711

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Solution

The fourth proportional to 35,833.78, 49,501.18 and 28,711 is: 39,661.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,833.78 : 49,501.18 = 28,711 : x
  2. Step 2: Convert to fraction form
    35,833.78/49,501.18 = 28,711/x
  3. Step 3: Cross multiply
    35,833.78x = 49,501.18 × 28,711
  4. Step 4: Simplify right side
    35,833.78x = 1,421,228,378.98
  5. Step 5: Solve for x
    x = 1,421,228,378.98/35,833.78
  6. Step 6: Final answer
    x = 39,661.69

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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.