Home / 56,485.54-77,950.92-40,356.82

Finding the Fourth Proportional to 56,485.54, 77,950.92 and 40,356.82

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Solution

The fourth proportional to 56,485.54, 77,950.92 and 40,356.82 is: 55,693.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,485.54 : 77,950.92 = 40,356.82 : x
  2. Step 2: Convert to fraction form
    56,485.54/77,950.92 = 40,356.82/x
  3. Step 3: Cross multiply
    56,485.54x = 77,950.92 × 40,356.82
  4. Step 4: Simplify right side
    56,485.54x = 3,145,851,247.27
  5. Step 5: Solve for x
    x = 3,145,851,247.27/56,485.54
  6. Step 6: Final answer
    x = 55,693.04

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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.