Home / 48,492.90-66,910.17-28,345.88

Finding the Fourth Proportional to 48,492.90, 66,910.17 and 28,345.88

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Solution

The fourth proportional to 48,492.90, 66,910.17 and 28,345.88 is: 39,111.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,492.90 : 66,910.17 = 28,345.88 : x
  2. Step 2: Convert to fraction form
    48,492.90/66,910.17 = 28,345.88/x
  3. Step 3: Cross multiply
    48,492.90x = 66,910.17 × 28,345.88
  4. Step 4: Simplify right side
    48,492.90x = 1,896,627,923.17
  5. Step 5: Solve for x
    x = 1,896,627,923.17/48,492.90
  6. Step 6: Final answer
    x = 39,111.46

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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.