Home / 40,729.24-56,130.30-31,762.60

Finding the Fourth Proportional to 40,729.24, 56,130.30 and 31,762.60

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Solution

The fourth proportional to 40,729.24, 56,130.30 and 31,762.60 is: 43,773.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,729.24 : 56,130.30 = 31,762.60 : x
  2. Step 2: Convert to fraction form
    40,729.24/56,130.30 = 31,762.60/x
  3. Step 3: Cross multiply
    40,729.24x = 56,130.30 × 31,762.60
  4. Step 4: Simplify right side
    40,729.24x = 1,782,844,266.78
  5. Step 5: Solve for x
    x = 1,782,844,266.78/40,729.24
  6. Step 6: Final answer
    x = 43,773.08

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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.