Home / 35,223.08-48,612.84-21,798.66

Finding the Fourth Proportional to 35,223.08, 48,612.84 and 21,798.66

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Solution

The fourth proportional to 35,223.08, 48,612.84 and 21,798.66 is: 30,085.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,223.08 : 48,612.84 = 21,798.66 : x
  2. Step 2: Convert to fraction form
    35,223.08/48,612.84 = 21,798.66/x
  3. Step 3: Cross multiply
    35,223.08x = 48,612.84 × 21,798.66
  4. Step 4: Simplify right side
    35,223.08x = 1,059,694,770.79
  5. Step 5: Solve for x
    x = 1,059,694,770.79/35,223.08
  6. Step 6: Final answer
    x = 30,085.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.