Home / 38,821.68-53,569.35-22,905.99

Finding the Fourth Proportional to 38,821.68, 53,569.35 and 22,905.99

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Solution

The fourth proportional to 38,821.68, 53,569.35 and 22,905.99 is: 31,607.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,821.68 : 53,569.35 = 22,905.99 : x
  2. Step 2: Convert to fraction form
    38,821.68/53,569.35 = 22,905.99/x
  3. Step 3: Cross multiply
    38,821.68x = 53,569.35 × 22,905.99
  4. Step 4: Simplify right side
    38,821.68x = 1,227,058,995.41
  5. Step 5: Solve for x
    x = 1,227,058,995.41/38,821.68
  6. Step 6: Final answer
    x = 31,607.57

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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.