Home / 39,475.41-54,476.36-21,570.41

Finding the Fourth Proportional to 39,475.41, 54,476.36 and 21,570.41

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Solution

The fourth proportional to 39,475.41, 54,476.36 and 21,570.41 is: 29,767.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,475.41 : 54,476.36 = 21,570.41 : x
  2. Step 2: Convert to fraction form
    39,475.41/54,476.36 = 21,570.41/x
  3. Step 3: Cross multiply
    39,475.41x = 54,476.36 × 21,570.41
  4. Step 4: Simplify right side
    39,475.41x = 1,175,077,040.27
  5. Step 5: Solve for x
    x = 1,175,077,040.27/39,475.41
  6. Step 6: Final answer
    x = 29,767.32

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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.