Home / 39,714.84-54,803.70-21,809.52

Finding the Fourth Proportional to 39,714.84, 54,803.70 and 21,809.52

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Solution

The fourth proportional to 39,714.84, 54,803.70 and 21,809.52 is: 30,095.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,714.84 : 54,803.70 = 21,809.52 : x
  2. Step 2: Convert to fraction form
    39,714.84/54,803.70 = 21,809.52/x
  3. Step 3: Cross multiply
    39,714.84x = 54,803.70 × 21,809.52
  4. Step 4: Simplify right side
    39,714.84x = 1,195,242,391.22
  5. Step 5: Solve for x
    x = 1,195,242,391.22/39,714.84
  6. Step 6: Final answer
    x = 30,095.61

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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.