Home / 23,479.48-35,221.40-8,490.35

Finding the Fourth Proportional to 23,479.48, 35,221.40 and 8,490.35

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Solution

The fourth proportional to 23,479.48, 35,221.40 and 8,490.35 is: 12,736.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,479.48 : 35,221.40 = 8,490.35 : x
  2. Step 2: Convert to fraction form
    23,479.48/35,221.40 = 8,490.35/x
  3. Step 3: Cross multiply
    23,479.48x = 35,221.40 × 8,490.35
  4. Step 4: Simplify right side
    23,479.48x = 299,042,013.49
  5. Step 5: Solve for x
    x = 299,042,013.49/23,479.48
  6. Step 6: Final answer
    x = 12,736.31

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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.