Home / 40,122.42-55,362.42-23,127.36

Finding the Fourth Proportional to 40,122.42, 55,362.42 and 23,127.36

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Solution

The fourth proportional to 40,122.42, 55,362.42 and 23,127.36 is: 31,912.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,122.42 : 55,362.42 = 23,127.36 : x
  2. Step 2: Convert to fraction form
    40,122.42/55,362.42 = 23,127.36/x
  3. Step 3: Cross multiply
    40,122.42x = 55,362.42 × 23,127.36
  4. Step 4: Simplify right side
    40,122.42x = 1,280,386,617.81
  5. Step 5: Solve for x
    x = 1,280,386,617.81/40,122.42
  6. Step 6: Final answer
    x = 31,912.00

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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.