Home / 35,523.78-49,032.47-20,417.98

Finding the Fourth Proportional to 35,523.78, 49,032.47 and 20,417.98

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Solution

The fourth proportional to 35,523.78, 49,032.47 and 20,417.98 is: 28,182.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,523.78 : 49,032.47 = 20,417.98 : x
  2. Step 2: Convert to fraction form
    35,523.78/49,032.47 = 20,417.98/x
  3. Step 3: Cross multiply
    35,523.78x = 49,032.47 × 20,417.98
  4. Step 4: Simplify right side
    35,523.78x = 1,001,143,991.81
  5. Step 5: Solve for x
    x = 1,001,143,991.81/35,523.78
  6. Step 6: Final answer
    x = 28,182.36

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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.