Home / 40,312.89-55,627.56-22,405.01

Finding the Fourth Proportional to 40,312.89, 55,627.56 and 22,405.01

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Solution

The fourth proportional to 40,312.89, 55,627.56 and 22,405.01 is: 30,916.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,312.89 : 55,627.56 = 22,405.01 : x
  2. Step 2: Convert to fraction form
    40,312.89/55,627.56 = 22,405.01/x
  3. Step 3: Cross multiply
    40,312.89x = 55,627.56 × 22,405.01
  4. Step 4: Simplify right side
    40,312.89x = 1,246,335,759.94
  5. Step 5: Solve for x
    x = 1,246,335,759.94/40,312.89
  6. Step 6: Final answer
    x = 30,916.56

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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.