Home / 56,270.55-77,653.49-30,777.06

Finding the Fourth Proportional to 56,270.55, 77,653.49 and 30,777.06

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Solution

The fourth proportional to 56,270.55, 77,653.49 and 30,777.06 is: 42,472.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,270.55 : 77,653.49 = 30,777.06 : x
  2. Step 2: Convert to fraction form
    56,270.55/77,653.49 = 30,777.06/x
  3. Step 3: Cross multiply
    56,270.55x = 77,653.49 × 30,777.06
  4. Step 4: Simplify right side
    56,270.55x = 2,389,946,258.25
  5. Step 5: Solve for x
    x = 2,389,946,258.25/56,270.55
  6. Step 6: Final answer
    x = 42,472.42

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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.