Home / 40,709.40-61,378.04-40,456.68

Finding the Fourth Proportional to 40,709.40, 61,378.04 and 40,456.68

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Solution

The fourth proportional to 40,709.40, 61,378.04 and 40,456.68 is: 60,997.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,709.40 : 61,378.04 = 40,456.68 : x
  2. Step 2: Convert to fraction form
    40,709.40/61,378.04 = 40,456.68/x
  3. Step 3: Cross multiply
    40,709.40x = 61,378.04 × 40,456.68
  4. Step 4: Simplify right side
    40,709.40x = 2,483,151,723.31
  5. Step 5: Solve for x
    x = 2,483,151,723.31/40,709.40
  6. Step 6: Final answer
    x = 60,997.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.