Home / 30,221.48-45,340.73-10,502.03

Finding the Fourth Proportional to 30,221.48, 45,340.73 and 10,502.03

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Solution

The fourth proportional to 30,221.48, 45,340.73 and 10,502.03 is: 15,756.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,221.48 : 45,340.73 = 10,502.03 : x
  2. Step 2: Convert to fraction form
    30,221.48/45,340.73 = 10,502.03/x
  3. Step 3: Cross multiply
    30,221.48x = 45,340.73 × 10,502.03
  4. Step 4: Simplify right side
    30,221.48x = 476,169,654.17
  5. Step 5: Solve for x
    x = 476,169,654.17/30,221.48
  6. Step 6: Final answer
    x = 15,756.00

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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.