Home / 48,083.77-66,364.77-31,702.21

Finding the Fourth Proportional to 48,083.77, 66,364.77 and 31,702.21

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Solution

The fourth proportional to 48,083.77, 66,364.77 and 31,702.21 is: 43,755.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,083.77 : 66,364.77 = 31,702.21 : x
  2. Step 2: Convert to fraction form
    48,083.77/66,364.77 = 31,702.21/x
  3. Step 3: Cross multiply
    48,083.77x = 66,364.77 × 31,702.21
  4. Step 4: Simplify right side
    48,083.77x = 2,103,910,041.05
  5. Step 5: Solve for x
    x = 2,103,910,041.05/48,083.77
  6. Step 6: Final answer
    x = 43,755.10

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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.