Home / 31,280.82-46,927.35-13,750.59

Finding the Fourth Proportional to 31,280.82, 46,927.35 and 13,750.59

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Solution

The fourth proportional to 31,280.82, 46,927.35 and 13,750.59 is: 20,628.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,280.82 : 46,927.35 = 13,750.59 : x
  2. Step 2: Convert to fraction form
    31,280.82/46,927.35 = 13,750.59/x
  3. Step 3: Cross multiply
    31,280.82x = 46,927.35 × 13,750.59
  4. Step 4: Simplify right side
    31,280.82x = 645,278,925.61
  5. Step 5: Solve for x
    x = 645,278,925.61/31,280.82
  6. Step 6: Final answer
    x = 20,628.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.