Home / 40,465.37-60,707.27-12,387.63

Finding the Fourth Proportional to 40,465.37, 60,707.27 and 12,387.63

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Solution

The fourth proportional to 40,465.37, 60,707.27 and 12,387.63 is: 18,584.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,465.37 : 60,707.27 = 12,387.63 : x
  2. Step 2: Convert to fraction form
    40,465.37/60,707.27 = 12,387.63/x
  3. Step 3: Cross multiply
    40,465.37x = 60,707.27 × 12,387.63
  4. Step 4: Simplify right side
    40,465.37x = 752,019,457.69
  5. Step 5: Solve for x
    x = 752,019,457.69/40,465.37
  6. Step 6: Final answer
    x = 18,584.27

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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.