Home / 38,687.23-53,040.69-37,987.39

Finding the Fourth Proportional to 38,687.23, 53,040.69 and 37,987.39

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Solution

The fourth proportional to 38,687.23, 53,040.69 and 37,987.39 is: 52,081.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,687.23 : 53,040.69 = 37,987.39 : x
  2. Step 2: Convert to fraction form
    38,687.23/53,040.69 = 37,987.39/x
  3. Step 3: Cross multiply
    38,687.23x = 53,040.69 × 37,987.39
  4. Step 4: Simplify right side
    38,687.23x = 2,014,877,376.90
  5. Step 5: Solve for x
    x = 2,014,877,376.90/38,687.23
  6. Step 6: Final answer
    x = 52,081.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.