Home / 39,090.06-53,944.38-21,184.92

Finding the Fourth Proportional to 39,090.06, 53,944.38 and 21,184.92

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Solution

The fourth proportional to 39,090.06, 53,944.38 and 21,184.92 is: 29,235.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,090.06 : 53,944.38 = 21,184.92 : x
  2. Step 2: Convert to fraction form
    39,090.06/53,944.38 = 21,184.92/x
  3. Step 3: Cross multiply
    39,090.06x = 53,944.38 × 21,184.92
  4. Step 4: Simplify right side
    39,090.06x = 1,142,807,374.75
  5. Step 5: Solve for x
    x = 1,142,807,374.75/39,090.06
  6. Step 6: Final answer
    x = 29,235.24

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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.