Home / 40,389.36-55,736-22,483.76

Finding the Fourth Proportional to 40,389.36, 55,736 and 22,483.76

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Solution

The fourth proportional to 40,389.36, 55,736 and 22,483.76 is: 31,026.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,389.36 : 55,736 = 22,483.76 : x
  2. Step 2: Convert to fraction form
    40,389.36/55,736 = 22,483.76/x
  3. Step 3: Cross multiply
    40,389.36x = 55,736 × 22,483.76
  4. Step 4: Simplify right side
    40,389.36x = 1,253,154,847.36
  5. Step 5: Solve for x
    x = 1,253,154,847.36/40,389.36
  6. Step 6: Final answer
    x = 31,026.86

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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.