Home / 55,276.98-76,282.26-31,403.70

Finding the Fourth Proportional to 55,276.98, 76,282.26 and 31,403.70

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Solution

The fourth proportional to 55,276.98, 76,282.26 and 31,403.70 is: 43,337.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,276.98 : 76,282.26 = 31,403.70 : x
  2. Step 2: Convert to fraction form
    55,276.98/76,282.26 = 31,403.70/x
  3. Step 3: Cross multiply
    55,276.98x = 76,282.26 × 31,403.70
  4. Step 4: Simplify right side
    55,276.98x = 2,395,545,090.60
  5. Step 5: Solve for x
    x = 2,395,545,090.60/55,276.98
  6. Step 6: Final answer
    x = 43,337.12

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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.