Home / 40,044.79-55,274.93-28,111.06

Finding the Fourth Proportional to 40,044.79, 55,274.93 and 28,111.06

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Solution

The fourth proportional to 40,044.79, 55,274.93 and 28,111.06 is: 38,802.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,044.79 : 55,274.93 = 28,111.06 : x
  2. Step 2: Convert to fraction form
    40,044.79/55,274.93 = 28,111.06/x
  3. Step 3: Cross multiply
    40,044.79x = 55,274.93 × 28,111.06
  4. Step 4: Simplify right side
    40,044.79x = 1,553,836,873.73
  5. Step 5: Solve for x
    x = 1,553,836,873.73/40,044.79
  6. Step 6: Final answer
    x = 38,802.47

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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.