Home / 30,866.31-46,301.64-15,279.75

Finding the Fourth Proportional to 30,866.31, 46,301.64 and 15,279.75

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Solution

The fourth proportional to 30,866.31, 46,301.64 and 15,279.75 is: 22,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,866.31 : 46,301.64 = 15,279.75 : x
  2. Step 2: Convert to fraction form
    30,866.31/46,301.64 = 15,279.75/x
  3. Step 3: Cross multiply
    30,866.31x = 46,301.64 × 15,279.75
  4. Step 4: Simplify right side
    30,866.31x = 707,477,483.79
  5. Step 5: Solve for x
    x = 707,477,483.79/30,866.31
  6. Step 6: Final answer
    x = 22,920.70

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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.