Home / 45,208.28-67,801.08-21,501.20

Finding the Fourth Proportional to 45,208.28, 67,801.08 and 21,501.20

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Solution

The fourth proportional to 45,208.28, 67,801.08 and 21,501.20 is: 32,246.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,208.28 : 67,801.08 = 21,501.20 : x
  2. Step 2: Convert to fraction form
    45,208.28/67,801.08 = 21,501.20/x
  3. Step 3: Cross multiply
    45,208.28x = 67,801.08 × 21,501.20
  4. Step 4: Simplify right side
    45,208.28x = 1,457,804,581.30
  5. Step 5: Solve for x
    x = 1,457,804,581.30/45,208.28
  6. Step 6: Final answer
    x = 32,246.41

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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.