Home / 40,378.22-60,665.88-38,140.19

Finding the Fourth Proportional to 40,378.22, 60,665.88 and 38,140.19

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Solution

The fourth proportional to 40,378.22, 60,665.88 and 38,140.19 is: 57,303.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,378.22 : 60,665.88 = 38,140.19 : x
  2. Step 2: Convert to fraction form
    40,378.22/60,665.88 = 38,140.19/x
  3. Step 3: Cross multiply
    40,378.22x = 60,665.88 × 38,140.19
  4. Step 4: Simplify right side
    40,378.22x = 2,313,808,189.72
  5. Step 5: Solve for x
    x = 2,313,808,189.72/40,378.22
  6. Step 6: Final answer
    x = 57,303.37

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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.