Home / 35,399.04-53,131.44-17,881.20

Finding the Fourth Proportional to 35,399.04, 53,131.44 and 17,881.20

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Solution

The fourth proportional to 35,399.04, 53,131.44 and 17,881.20 is: 26,838.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,399.04 : 53,131.44 = 17,881.20 : x
  2. Step 2: Convert to fraction form
    35,399.04/53,131.44 = 17,881.20/x
  3. Step 3: Cross multiply
    35,399.04x = 53,131.44 × 17,881.20
  4. Step 4: Simplify right side
    35,399.04x = 950,053,904.93
  5. Step 5: Solve for x
    x = 950,053,904.93/35,399.04
  6. Step 6: Final answer
    x = 26,838.41

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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.