Home / 32,681.88-49,034.70-20,187.36

Finding the Fourth Proportional to 32,681.88, 49,034.70 and 20,187.36

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Solution

The fourth proportional to 32,681.88, 49,034.70 and 20,187.36 is: 30,288.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,681.88 : 49,034.70 = 20,187.36 : x
  2. Step 2: Convert to fraction form
    32,681.88/49,034.70 = 20,187.36/x
  3. Step 3: Cross multiply
    32,681.88x = 49,034.70 × 20,187.36
  4. Step 4: Simplify right side
    32,681.88x = 989,881,141.39
  5. Step 5: Solve for x
    x = 989,881,141.39/32,681.88
  6. Step 6: Final answer
    x = 30,288.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.