Home / 57,118.96-78,818.48-33,248.80

Finding the Fourth Proportional to 57,118.96, 78,818.48 and 33,248.80

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Solution

The fourth proportional to 57,118.96, 78,818.48 and 33,248.80 is: 45,880.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,118.96 : 78,818.48 = 33,248.80 : x
  2. Step 2: Convert to fraction form
    57,118.96/78,818.48 = 33,248.80/x
  3. Step 3: Cross multiply
    57,118.96x = 78,818.48 × 33,248.80
  4. Step 4: Simplify right side
    57,118.96x = 2,620,619,877.82
  5. Step 5: Solve for x
    x = 2,620,619,877.82/57,118.96
  6. Step 6: Final answer
    x = 45,880.03

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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.