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Finding the Fourth Proportional to 45,706.32, 63,104.04 and 28,733.76

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Solution

The fourth proportional to 45,706.32, 63,104.04 and 28,733.76 is: 39,671.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,706.32 : 63,104.04 = 28,733.76 : x
  2. Step 2: Convert to fraction form
    45,706.32/63,104.04 = 28,733.76/x
  3. Step 3: Cross multiply
    45,706.32x = 63,104.04 × 28,733.76
  4. Step 4: Simplify right side
    45,706.32x = 1,813,216,340.39
  5. Step 5: Solve for x
    x = 1,813,216,340.39/45,706.32
  6. Step 6: Final answer
    x = 39,671.02

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1.5x scale

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.