Home / 36,645.24-54,971.28-9,991.56

Finding the Fourth Proportional to 36,645.24, 54,971.28 and 9,991.56

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Solution

The fourth proportional to 36,645.24, 54,971.28 and 9,991.56 is: 14,988.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,645.24 : 54,971.28 = 9,991.56 : x
  2. Step 2: Convert to fraction form
    36,645.24/54,971.28 = 9,991.56/x
  3. Step 3: Cross multiply
    36,645.24x = 54,971.28 × 9,991.56
  4. Step 4: Simplify right side
    36,645.24x = 549,248,842.40
  5. Step 5: Solve for x
    x = 549,248,842.40/36,645.24
  6. Step 6: Final answer
    x = 14,988.27

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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.