Home / 56,754.70-78,319.66-33,784.44

Finding the Fourth Proportional to 56,754.70, 78,319.66 and 33,784.44

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Solution

The fourth proportional to 56,754.70, 78,319.66 and 33,784.44 is: 46,621.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,754.70 : 78,319.66 = 33,784.44 : x
  2. Step 2: Convert to fraction form
    56,754.70/78,319.66 = 33,784.44/x
  3. Step 3: Cross multiply
    56,754.70x = 78,319.66 × 33,784.44
  4. Step 4: Simplify right side
    56,754.70x = 2,645,985,979.82
  5. Step 5: Solve for x
    x = 2,645,985,979.82/56,754.70
  6. Step 6: Final answer
    x = 46,621.44

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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.