Home / 45,206.28-67,798.08-21,499.20

Finding the Fourth Proportional to 45,206.28, 67,798.08 and 21,499.20

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Solution

The fourth proportional to 45,206.28, 67,798.08 and 21,499.20 is: 32,243.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,206.28 : 67,798.08 = 21,499.20 : x
  2. Step 2: Convert to fraction form
    45,206.28/67,798.08 = 21,499.20/x
  3. Step 3: Cross multiply
    45,206.28x = 67,798.08 × 21,499.20
  4. Step 4: Simplify right side
    45,206.28x = 1,457,604,481.54
  5. Step 5: Solve for x
    x = 1,457,604,481.54/45,206.28
  6. Step 6: Final answer
    x = 32,243.41

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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.