Home / 39,294.64-54,226.29-21,389.59

Finding the Fourth Proportional to 39,294.64, 54,226.29 and 21,389.59

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Solution

The fourth proportional to 39,294.64, 54,226.29 and 21,389.59 is: 29,517.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,294.64 : 54,226.29 = 21,389.59 : x
  2. Step 2: Convert to fraction form
    39,294.64/54,226.29 = 21,389.59/x
  3. Step 3: Cross multiply
    39,294.64x = 54,226.29 × 21,389.59
  4. Step 4: Simplify right side
    39,294.64x = 1,159,878,110.32
  5. Step 5: Solve for x
    x = 1,159,878,110.32/39,294.64
  6. Step 6: Final answer
    x = 29,517.46

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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.