Home / 66,854.87-92,260.91-36,638.18

Finding the Fourth Proportional to 66,854.87, 92,260.91 and 36,638.18

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Solution

The fourth proportional to 66,854.87, 92,260.91 and 36,638.18 is: 50,561.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,854.87 : 92,260.91 = 36,638.18 : x
  2. Step 2: Convert to fraction form
    66,854.87/92,260.91 = 36,638.18/x
  3. Step 3: Cross multiply
    66,854.87x = 92,260.91 × 36,638.18
  4. Step 4: Simplify right side
    66,854.87x = 3,380,271,644.35
  5. Step 5: Solve for x
    x = 3,380,271,644.35/66,854.87
  6. Step 6: Final answer
    x = 50,561.34

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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.