Home / 56,126.36-77,451.96-30,632.08

Finding the Fourth Proportional to 56,126.36, 77,451.96 and 30,632.08

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Solution

The fourth proportional to 56,126.36, 77,451.96 and 30,632.08 is: 42,270.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,126.36 : 77,451.96 = 30,632.08 : x
  2. Step 2: Convert to fraction form
    56,126.36/77,451.96 = 30,632.08/x
  3. Step 3: Cross multiply
    56,126.36x = 77,451.96 × 30,632.08
  4. Step 4: Simplify right side
    56,126.36x = 2,372,514,634.88
  5. Step 5: Solve for x
    x = 2,372,514,634.88/56,126.36
  6. Step 6: Final answer
    x = 42,270.95

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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.