Home / 38,018.49-52,465.21-21,251.49

Finding the Fourth Proportional to 38,018.49, 52,465.21 and 21,251.49

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Solution

The fourth proportional to 38,018.49, 52,465.21 and 21,251.49 is: 29,326.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,018.49 : 52,465.21 = 21,251.49 : x
  2. Step 2: Convert to fraction form
    38,018.49/52,465.21 = 21,251.49/x
  3. Step 3: Cross multiply
    38,018.49x = 52,465.21 × 21,251.49
  4. Step 4: Simplify right side
    38,018.49x = 1,114,963,885.66
  5. Step 5: Solve for x
    x = 1,114,963,885.66/38,018.49
  6. Step 6: Final answer
    x = 29,326.89

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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.