Home / 58,656.29-87,984.38-21,207.58

Finding the Fourth Proportional to 58,656.29, 87,984.38 and 21,207.58

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Solution

The fourth proportional to 58,656.29, 87,984.38 and 21,207.58 is: 31,811.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,656.29 : 87,984.38 = 21,207.58 : x
  2. Step 2: Convert to fraction form
    58,656.29/87,984.38 = 21,207.58/x
  3. Step 3: Cross multiply
    58,656.29x = 87,984.38 × 21,207.58
  4. Step 4: Simplify right side
    58,656.29x = 1,865,935,610.66
  5. Step 5: Solve for x
    x = 1,865,935,610.66/58,656.29
  6. Step 6: Final answer
    x = 31,811.35

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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.