Home / 65,595.18-90,528.30-40,116.44

Finding the Fourth Proportional to 65,595.18, 90,528.30 and 40,116.44

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Solution

The fourth proportional to 65,595.18, 90,528.30 and 40,116.44 is: 55,364.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,595.18 : 90,528.30 = 40,116.44 : x
  2. Step 2: Convert to fraction form
    65,595.18/90,528.30 = 40,116.44/x
  3. Step 3: Cross multiply
    65,595.18x = 90,528.30 × 40,116.44
  4. Step 4: Simplify right side
    65,595.18x = 3,631,673,115.25
  5. Step 5: Solve for x
    x = 3,631,673,115.25/65,595.18
  6. Step 6: Final answer
    x = 55,364.94

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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.