Home / 39,476.61-54,475.74-21,568.32

Finding the Fourth Proportional to 39,476.61, 54,475.74 and 21,568.32

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Solution

The fourth proportional to 39,476.61, 54,475.74 and 21,568.32 is: 29,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,476.61 : 54,475.74 = 21,568.32 : x
  2. Step 2: Convert to fraction form
    39,476.61/54,475.74 = 21,568.32/x
  3. Step 3: Cross multiply
    39,476.61x = 54,475.74 × 21,568.32
  4. Step 4: Simplify right side
    39,476.61x = 1,174,950,192.56
  5. Step 5: Solve for x
    x = 1,174,950,192.56/39,476.61
  6. Step 6: Final answer
    x = 29,763.20

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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.