Home / 40,895.40-61,400.70-32,140.20

Finding the Fourth Proportional to 40,895.40, 61,400.70 and 32,140.20

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Solution

The fourth proportional to 40,895.40, 61,400.70 and 32,140.20 is: 48,255.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,895.40 : 61,400.70 = 32,140.20 : x
  2. Step 2: Convert to fraction form
    40,895.40/61,400.70 = 32,140.20/x
  3. Step 3: Cross multiply
    40,895.40x = 61,400.70 × 32,140.20
  4. Step 4: Simplify right side
    40,895.40x = 1,973,430,778.14
  5. Step 5: Solve for x
    x = 1,973,430,778.14/40,895.40
  6. Step 6: Final answer
    x = 48,255.57

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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.