Home / 31,278.48-46,675.20-28,484.52

Finding the Fourth Proportional to 31,278.48, 46,675.20 and 28,484.52

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Solution

The fourth proportional to 31,278.48, 46,675.20 and 28,484.52 is: 42,505.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,278.48 : 46,675.20 = 28,484.52 : x
  2. Step 2: Convert to fraction form
    31,278.48/46,675.20 = 28,484.52/x
  3. Step 3: Cross multiply
    31,278.48x = 46,675.20 × 28,484.52
  4. Step 4: Simplify right side
    31,278.48x = 1,329,520,667.90
  5. Step 5: Solve for x
    x = 1,329,520,667.90/31,278.48
  6. Step 6: Final answer
    x = 42,505.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.