Home / 56,126.43-77,454.32-30,975.75

Finding the Fourth Proportional to 56,126.43, 77,454.32 and 30,975.75

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Solution

The fourth proportional to 56,126.43, 77,454.32 and 30,975.75 is: 42,746.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,126.43 : 77,454.32 = 30,975.75 : x
  2. Step 2: Convert to fraction form
    56,126.43/77,454.32 = 30,975.75/x
  3. Step 3: Cross multiply
    56,126.43x = 77,454.32 × 30,975.75
  4. Step 4: Simplify right side
    56,126.43x = 2,399,205,497.86
  5. Step 5: Solve for x
    x = 2,399,205,497.86/56,126.43
  6. Step 6: Final answer
    x = 42,746.45

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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.