Home / 39,637.27-54,699.87-22,643.76

Finding the Fourth Proportional to 39,637.27, 54,699.87 and 22,643.76

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Solution

The fourth proportional to 39,637.27, 54,699.87 and 22,643.76 is: 31,248.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,637.27 : 54,699.87 = 22,643.76 : x
  2. Step 2: Convert to fraction form
    39,637.27/54,699.87 = 22,643.76/x
  3. Step 3: Cross multiply
    39,637.27x = 54,699.87 × 22,643.76
  4. Step 4: Simplify right side
    39,637.27x = 1,238,610,728.31
  5. Step 5: Solve for x
    x = 1,238,610,728.31/39,637.27
  6. Step 6: Final answer
    x = 31,248.64

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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.