Home / 36,023.76-49,712.59-20,920.13

Finding the Fourth Proportional to 36,023.76, 49,712.59 and 20,920.13

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Solution

The fourth proportional to 36,023.76, 49,712.59 and 20,920.13 is: 28,869.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,023.76 : 49,712.59 = 20,920.13 : x
  2. Step 2: Convert to fraction form
    36,023.76/49,712.59 = 20,920.13/x
  3. Step 3: Cross multiply
    36,023.76x = 49,712.59 × 20,920.13
  4. Step 4: Simplify right side
    36,023.76x = 1,039,994,008.10
  5. Step 5: Solve for x
    x = 1,039,994,008.10/36,023.76
  6. Step 6: Final answer
    x = 28,869.67

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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.