Home / 40,345.66-55,676.21-22,440.28

Finding the Fourth Proportional to 40,345.66, 55,676.21 and 22,440.28

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Solution

The fourth proportional to 40,345.66, 55,676.21 and 22,440.28 is: 30,967.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,345.66 : 55,676.21 = 22,440.28 : x
  2. Step 2: Convert to fraction form
    40,345.66/55,676.21 = 22,440.28/x
  3. Step 3: Cross multiply
    40,345.66x = 55,676.21 × 22,440.28
  4. Step 4: Simplify right side
    40,345.66x = 1,249,389,351.16
  5. Step 5: Solve for x
    x = 1,249,389,351.16/40,345.66
  6. Step 6: Final answer
    x = 30,967.14

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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.