Home / 58,308.23-87,440.93-20,858.15

Finding the Fourth Proportional to 58,308.23, 87,440.93 and 20,858.15

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Solution

The fourth proportional to 58,308.23, 87,440.93 and 20,858.15 is: 31,279.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,308.23 : 87,440.93 = 20,858.15 : x
  2. Step 2: Convert to fraction form
    58,308.23/87,440.93 = 20,858.15/x
  3. Step 3: Cross multiply
    58,308.23x = 87,440.93 × 20,858.15
  4. Step 4: Simplify right side
    58,308.23x = 1,823,855,929.79
  5. Step 5: Solve for x
    x = 1,823,855,929.79/58,308.23
  6. Step 6: Final answer
    x = 31,279.56

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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.