Home / 20,041.59-30,080.75-10,187.67

Finding the Fourth Proportional to 20,041.59, 30,080.75 and 10,187.67

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Solution

The fourth proportional to 20,041.59, 30,080.75 and 10,187.67 is: 15,290.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041.59 : 30,080.75 = 10,187.67 : x
  2. Step 2: Convert to fraction form
    20,041.59/30,080.75 = 10,187.67/x
  3. Step 3: Cross multiply
    20,041.59x = 30,080.75 × 10,187.67
  4. Step 4: Simplify right side
    20,041.59x = 306,452,703.41
  5. Step 5: Solve for x
    x = 306,452,703.41/20,041.59
  6. Step 6: Final answer
    x = 15,290.84

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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.