Home / 35,973.28-49,646.82-21,637.72

Finding the Fourth Proportional to 35,973.28, 49,646.82 and 21,637.72

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Solution

The fourth proportional to 35,973.28, 49,646.82 and 21,637.72 is: 29,862.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,973.28 : 49,646.82 = 21,637.72 : x
  2. Step 2: Convert to fraction form
    35,973.28/49,646.82 = 21,637.72/x
  3. Step 3: Cross multiply
    35,973.28x = 49,646.82 × 21,637.72
  4. Step 4: Simplify right side
    35,973.28x = 1,074,243,990.05
  5. Step 5: Solve for x
    x = 1,074,243,990.05/35,973.28
  6. Step 6: Final answer
    x = 29,862.28

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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.