Home / 56,126.18-77,453.97-30,975.50

Finding the Fourth Proportional to 56,126.18, 77,453.97 and 30,975.50

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Solution

The fourth proportional to 56,126.18, 77,453.97 and 30,975.50 is: 42,746.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,126.18 : 77,453.97 = 30,975.50 : x
  2. Step 2: Convert to fraction form
    56,126.18/77,453.97 = 30,975.50/x
  3. Step 3: Cross multiply
    56,126.18x = 77,453.97 × 30,975.50
  4. Step 4: Simplify right side
    56,126.18x = 2,399,175,447.74
  5. Step 5: Solve for x
    x = 2,399,175,447.74/56,126.18
  6. Step 6: Final answer
    x = 42,746.10

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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.