Home / 56,373.17-77,796.07-30,879.52

Finding the Fourth Proportional to 56,373.17, 77,796.07 and 30,879.52

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Solution

The fourth proportional to 56,373.17, 77,796.07 and 30,879.52 is: 42,614.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,373.17 : 77,796.07 = 30,879.52 : x
  2. Step 2: Convert to fraction form
    56,373.17/77,796.07 = 30,879.52/x
  3. Step 3: Cross multiply
    56,373.17x = 77,796.07 × 30,879.52
  4. Step 4: Simplify right side
    56,373.17x = 2,402,305,027.80
  5. Step 5: Solve for x
    x = 2,402,305,027.80/56,373.17
  6. Step 6: Final answer
    x = 42,614.34

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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.