Home / 46,917.28-64,752.28-28,778.84

Finding the Fourth Proportional to 46,917.28, 64,752.28 and 28,778.84

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Solution

The fourth proportional to 46,917.28, 64,752.28 and 28,778.84 is: 39,718.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,917.28 : 64,752.28 = 28,778.84 : x
  2. Step 2: Convert to fraction form
    46,917.28/64,752.28 = 28,778.84/x
  3. Step 3: Cross multiply
    46,917.28x = 64,752.28 × 28,778.84
  4. Step 4: Simplify right side
    46,917.28x = 1,863,495,505.76
  5. Step 5: Solve for x
    x = 1,863,495,505.76/46,917.28
  6. Step 6: Final answer
    x = 39,718.75

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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.