Home / 40,055.36-60,002.64-18,677.84

Finding the Fourth Proportional to 40,055.36, 60,002.64 and 18,677.84

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Solution

The fourth proportional to 40,055.36, 60,002.64 and 18,677.84 is: 27,979.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,055.36 : 60,002.64 = 18,677.84 : x
  2. Step 2: Convert to fraction form
    40,055.36/60,002.64 = 18,677.84/x
  3. Step 3: Cross multiply
    40,055.36x = 60,002.64 × 18,677.84
  4. Step 4: Simplify right side
    40,055.36x = 1,120,719,409.48
  5. Step 5: Solve for x
    x = 1,120,719,409.48/40,055.36
  6. Step 6: Final answer
    x = 27,979.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.