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Finding the Fourth Proportional to 35,187.66, 48,552.75 and 20,077.92

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Solution

The fourth proportional to 35,187.66, 48,552.75 and 20,077.92 is: 27,703.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,187.66 : 48,552.75 = 20,077.92 : x
  2. Step 2: Convert to fraction form
    35,187.66/48,552.75 = 20,077.92/x
  3. Step 3: Cross multiply
    35,187.66x = 48,552.75 × 20,077.92
  4. Step 4: Simplify right side
    35,187.66x = 974,838,230.28
  5. Step 5: Solve for x
    x = 974,838,230.28/35,187.66
  6. Step 6: Final answer
    x = 27,703.98

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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.