Home / 39,892.17-55,050.48-21,743.08

Finding the Fourth Proportional to 39,892.17, 55,050.48 and 21,743.08

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Solution

The fourth proportional to 39,892.17, 55,050.48 and 21,743.08 is: 30,005.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,892.17 : 55,050.48 = 21,743.08 : x
  2. Step 2: Convert to fraction form
    39,892.17/55,050.48 = 21,743.08/x
  3. Step 3: Cross multiply
    39,892.17x = 55,050.48 × 21,743.08
  4. Step 4: Simplify right side
    39,892.17x = 1,196,966,853.05
  5. Step 5: Solve for x
    x = 1,196,966,853.05/39,892.17
  6. Step 6: Final answer
    x = 30,005.05

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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.