Home / 35,506.64-49,007.70-21,356.78

Finding the Fourth Proportional to 35,506.64, 49,007.70 and 21,356.78

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Solution

The fourth proportional to 35,506.64, 49,007.70 and 21,356.78 is: 29,477.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,506.64 : 49,007.70 = 21,356.78 : x
  2. Step 2: Convert to fraction form
    35,506.64/49,007.70 = 21,356.78/x
  3. Step 3: Cross multiply
    35,506.64x = 49,007.70 × 21,356.78
  4. Step 4: Simplify right side
    35,506.64x = 1,046,646,667.21
  5. Step 5: Solve for x
    x = 1,046,646,667.21/35,506.64
  6. Step 6: Final answer
    x = 29,477.49

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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.