Home / 40,686.16-56,143.68-22,777

Finding the Fourth Proportional to 40,686.16, 56,143.68 and 22,777

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Solution

The fourth proportional to 40,686.16, 56,143.68 and 22,777 is: 31,430.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,686.16 : 56,143.68 = 22,777 : x
  2. Step 2: Convert to fraction form
    40,686.16/56,143.68 = 22,777/x
  3. Step 3: Cross multiply
    40,686.16x = 56,143.68 × 22,777
  4. Step 4: Simplify right side
    40,686.16x = 1,278,784,599.36
  5. Step 5: Solve for x
    x = 1,278,784,599.36/40,686.16
  6. Step 6: Final answer
    x = 31,430.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.