Home / 43,255.80-64,883.70-40,631.40

Finding the Fourth Proportional to 43,255.80, 64,883.70 and 40,631.40

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Solution

The fourth proportional to 43,255.80, 64,883.70 and 40,631.40 is: 60,947.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,255.80 : 64,883.70 = 40,631.40 : x
  2. Step 2: Convert to fraction form
    43,255.80/64,883.70 = 40,631.40/x
  3. Step 3: Cross multiply
    43,255.80x = 64,883.70 × 40,631.40
  4. Step 4: Simplify right side
    43,255.80x = 2,636,315,568.18
  5. Step 5: Solve for x
    x = 2,636,315,568.18/43,255.80
  6. Step 6: Final answer
    x = 60,947.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.