Home / 53,838.27-74,351.93-40,388.22

Finding the Fourth Proportional to 53,838.27, 74,351.93 and 40,388.22

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Solution

The fourth proportional to 53,838.27, 74,351.93 and 40,388.22 is: 55,777.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,838.27 : 74,351.93 = 40,388.22 : x
  2. Step 2: Convert to fraction form
    53,838.27/74,351.93 = 40,388.22/x
  3. Step 3: Cross multiply
    53,838.27x = 74,351.93 × 40,388.22
  4. Step 4: Simplify right side
    53,838.27x = 3,002,941,904.32
  5. Step 5: Solve for x
    x = 3,002,941,904.32/53,838.27
  6. Step 6: Final answer
    x = 55,777.09

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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.