Home / 40,090.04-55,278.98-29,986.10

Finding the Fourth Proportional to 40,090.04, 55,278.98 and 29,986.10

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Solution

The fourth proportional to 40,090.04, 55,278.98 and 29,986.10 is: 41,346.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,090.04 : 55,278.98 = 29,986.10 : x
  2. Step 2: Convert to fraction form
    40,090.04/55,278.98 = 29,986.10/x
  3. Step 3: Cross multiply
    40,090.04x = 55,278.98 × 29,986.10
  4. Step 4: Simplify right side
    40,090.04x = 1,657,601,022.18
  5. Step 5: Solve for x
    x = 1,657,601,022.18/40,090.04
  6. Step 6: Final answer
    x = 41,346.95

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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.