Home / 56,297.72-77,701.56-40,208.60

Finding the Fourth Proportional to 56,297.72, 77,701.56 and 40,208.60

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Solution

The fourth proportional to 56,297.72, 77,701.56 and 40,208.60 is: 55,495.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,297.72 : 77,701.56 = 40,208.60 : x
  2. Step 2: Convert to fraction form
    56,297.72/77,701.56 = 40,208.60/x
  3. Step 3: Cross multiply
    56,297.72x = 77,701.56 × 40,208.60
  4. Step 4: Simplify right side
    56,297.72x = 3,124,270,945.42
  5. Step 5: Solve for x
    x = 3,124,270,945.42/56,297.72
  6. Step 6: Final answer
    x = 55,495.51

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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.