Home / 36,681.12-55,021.68-15,903

Finding the Fourth Proportional to 36,681.12, 55,021.68 and 15,903

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Solution

The fourth proportional to 36,681.12, 55,021.68 and 15,903 is: 23,854.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,681.12 : 55,021.68 = 15,903 : x
  2. Step 2: Convert to fraction form
    36,681.12/55,021.68 = 15,903/x
  3. Step 3: Cross multiply
    36,681.12x = 55,021.68 × 15,903
  4. Step 4: Simplify right side
    36,681.12x = 875,009,777.04
  5. Step 5: Solve for x
    x = 875,009,777.04/36,681.12
  6. Step 6: Final answer
    x = 23,854.50

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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.