Home / 36,991.60-55,428.96-30,032.08

Finding the Fourth Proportional to 36,991.60, 55,428.96 and 30,032.08

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Solution

The fourth proportional to 36,991.60, 55,428.96 and 30,032.08 is: 45,000.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,991.60 : 55,428.96 = 30,032.08 : x
  2. Step 2: Convert to fraction form
    36,991.60/55,428.96 = 30,032.08/x
  3. Step 3: Cross multiply
    36,991.60x = 55,428.96 × 30,032.08
  4. Step 4: Simplify right side
    36,991.60x = 1,664,646,961.04
  5. Step 5: Solve for x
    x = 1,664,646,961.04/36,991.60
  6. Step 6: Final answer
    x = 45,000.67

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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.