Home / 30,660.72-45,971.29-14,641.59

Finding the Fourth Proportional to 30,660.72, 45,971.29 and 14,641.59

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Solution

The fourth proportional to 30,660.72, 45,971.29 and 14,641.59 is: 21,952.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,660.72 : 45,971.29 = 14,641.59 : x
  2. Step 2: Convert to fraction form
    30,660.72/45,971.29 = 14,641.59/x
  3. Step 3: Cross multiply
    30,660.72x = 45,971.29 × 14,641.59
  4. Step 4: Simplify right side
    30,660.72x = 673,092,779.95
  5. Step 5: Solve for x
    x = 673,092,779.95/30,660.72
  6. Step 6: Final answer
    x = 21,952.93

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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.