Home / 35,355.24-53,041.50-11,981.88

Finding the Fourth Proportional to 35,355.24, 53,041.50 and 11,981.88

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Solution

The fourth proportional to 35,355.24, 53,041.50 and 11,981.88 is: 17,975.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,355.24 : 53,041.50 = 11,981.88 : x
  2. Step 2: Convert to fraction form
    35,355.24/53,041.50 = 11,981.88/x
  3. Step 3: Cross multiply
    35,355.24x = 53,041.50 × 11,981.88
  4. Step 4: Simplify right side
    35,355.24x = 635,536,888.02
  5. Step 5: Solve for x
    x = 635,536,888.02/35,355.24
  6. Step 6: Final answer
    x = 17,975.75

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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.