Home / 37,909.02-52,313.94-21,142.02

Finding the Fourth Proportional to 37,909.02, 52,313.94 and 21,142.02

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Solution

The fourth proportional to 37,909.02, 52,313.94 and 21,142.02 is: 29,175.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,909.02 : 52,313.94 = 21,142.02 : x
  2. Step 2: Convert to fraction form
    37,909.02/52,313.94 = 21,142.02/x
  3. Step 3: Cross multiply
    37,909.02x = 52,313.94 × 21,142.02
  4. Step 4: Simplify right side
    37,909.02x = 1,106,022,365.76
  5. Step 5: Solve for x
    x = 1,106,022,365.76/37,909.02
  6. Step 6: Final answer
    x = 29,175.70

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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.