Home / 39,086.52-53,938.65-22,090.38

Finding the Fourth Proportional to 39,086.52, 53,938.65 and 22,090.38

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Solution

The fourth proportional to 39,086.52, 53,938.65 and 22,090.38 is: 30,484.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,086.52 : 53,938.65 = 22,090.38 : x
  2. Step 2: Convert to fraction form
    39,086.52/53,938.65 = 22,090.38/x
  3. Step 3: Cross multiply
    39,086.52x = 53,938.65 × 22,090.38
  4. Step 4: Simplify right side
    39,086.52x = 1,191,525,275.19
  5. Step 5: Solve for x
    x = 1,191,525,275.19/39,086.52
  6. Step 6: Final answer
    x = 30,484.30

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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.