Home / 38,005.99-52,447.91-21,010.67

Finding the Fourth Proportional to 38,005.99, 52,447.91 and 21,010.67

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Solution

The fourth proportional to 38,005.99, 52,447.91 and 21,010.67 is: 28,994.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,005.99 : 52,447.91 = 21,010.67 : x
  2. Step 2: Convert to fraction form
    38,005.99/52,447.91 = 21,010.67/x
  3. Step 3: Cross multiply
    38,005.99x = 52,447.91 × 21,010.67
  4. Step 4: Simplify right side
    38,005.99x = 1,101,965,729.20
  5. Step 5: Solve for x
    x = 1,101,965,729.20/38,005.99
  6. Step 6: Final answer
    x = 28,994.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.