Home / 40,551.69-55,881.59-31,002.36

Finding the Fourth Proportional to 40,551.69, 55,881.59 and 31,002.36

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Solution

The fourth proportional to 40,551.69, 55,881.59 and 31,002.36 is: 42,722.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,551.69 : 55,881.59 = 31,002.36 : x
  2. Step 2: Convert to fraction form
    40,551.69/55,881.59 = 31,002.36/x
  3. Step 3: Cross multiply
    40,551.69x = 55,881.59 × 31,002.36
  4. Step 4: Simplify right side
    40,551.69x = 1,732,461,015.54
  5. Step 5: Solve for x
    x = 1,732,461,015.54/40,551.69
  6. Step 6: Final answer
    x = 42,722.29

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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.