Home / 38,655.06-53,342.49-21,888.10

Finding the Fourth Proportional to 38,655.06, 53,342.49 and 21,888.10

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Solution

The fourth proportional to 38,655.06, 53,342.49 and 21,888.10 is: 30,204.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,655.06 : 53,342.49 = 21,888.10 : x
  2. Step 2: Convert to fraction form
    38,655.06/53,342.49 = 21,888.10/x
  3. Step 3: Cross multiply
    38,655.06x = 53,342.49 × 21,888.10
  4. Step 4: Simplify right side
    38,655.06x = 1,167,565,755.37
  5. Step 5: Solve for x
    x = 1,167,565,755.37/38,655.06
  6. Step 6: Final answer
    x = 30,204.73

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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.