Home / 23,430.48-35,159.58-8,649.78

Finding the Fourth Proportional to 23,430.48, 35,159.58 and 8,649.78

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Solution

The fourth proportional to 23,430.48, 35,159.58 and 8,649.78 is: 12,979.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,430.48 : 35,159.58 = 8,649.78 : x
  2. Step 2: Convert to fraction form
    23,430.48/35,159.58 = 8,649.78/x
  3. Step 3: Cross multiply
    23,430.48x = 35,159.58 × 8,649.78
  4. Step 4: Simplify right side
    23,430.48x = 304,122,631.89
  5. Step 5: Solve for x
    x = 304,122,631.89/23,430.48
  6. Step 6: Final answer
    x = 12,979.79

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1.5x scale

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.