Home / 56,007.97-77,290.07-30,514.64

Finding the Fourth Proportional to 56,007.97, 77,290.07 and 30,514.64

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Solution

The fourth proportional to 56,007.97, 77,290.07 and 30,514.64 is: 42,109.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,007.97 : 77,290.07 = 30,514.64 : x
  2. Step 2: Convert to fraction form
    56,007.97/77,290.07 = 30,514.64/x
  3. Step 3: Cross multiply
    56,007.97x = 77,290.07 × 30,514.64
  4. Step 4: Simplify right side
    56,007.97x = 2,358,478,351.46
  5. Step 5: Solve for x
    x = 2,358,478,351.46/56,007.97
  6. Step 6: Final answer
    x = 42,109.69

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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.