Home / 40,797.40-56,357.76-31,485.64

Finding the Fourth Proportional to 40,797.40, 56,357.76 and 31,485.64

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Solution

The fourth proportional to 40,797.40, 56,357.76 and 31,485.64 is: 43,494.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,797.40 : 56,357.76 = 31,485.64 : x
  2. Step 2: Convert to fraction form
    40,797.40/56,357.76 = 31,485.64/x
  3. Step 3: Cross multiply
    40,797.40x = 56,357.76 × 31,485.64
  4. Step 4: Simplify right side
    40,797.40x = 1,774,460,142.57
  5. Step 5: Solve for x
    x = 1,774,460,142.57/40,797.40
  6. Step 6: Final answer
    x = 43,494.44

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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.