Home / 56,974.06-78,618.90-33,100.39

Finding the Fourth Proportional to 56,974.06, 78,618.90 and 33,100.39

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Solution

The fourth proportional to 56,974.06, 78,618.90 and 33,100.39 is: 45,675.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,974.06 : 78,618.90 = 33,100.39 : x
  2. Step 2: Convert to fraction form
    56,974.06/78,618.90 = 33,100.39/x
  3. Step 3: Cross multiply
    56,974.06x = 78,618.90 × 33,100.39
  4. Step 4: Simplify right side
    56,974.06x = 2,602,316,251.37
  5. Step 5: Solve for x
    x = 2,602,316,251.37/56,974.06
  6. Step 6: Final answer
    x = 45,675.46

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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.