Home / 45,502.96-68,208-28,875.28

Finding the Fourth Proportional to 45,502.96, 68,208 and 28,875.28

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Solution

The fourth proportional to 45,502.96, 68,208 and 28,875.28 is: 43,283.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,502.96 : 68,208 = 28,875.28 : x
  2. Step 2: Convert to fraction form
    45,502.96/68,208 = 28,875.28/x
  3. Step 3: Cross multiply
    45,502.96x = 68,208 × 28,875.28
  4. Step 4: Simplify right side
    45,502.96x = 1,969,525,098.24
  5. Step 5: Solve for x
    x = 1,969,525,098.24/45,502.96
  6. Step 6: Final answer
    x = 43,283.45

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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.