Home / 39,257.34-54,173.58-21,352.32

Finding the Fourth Proportional to 39,257.34, 54,173.58 and 21,352.32

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Solution

The fourth proportional to 39,257.34, 54,173.58 and 21,352.32 is: 29,465.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,257.34 : 54,173.58 = 21,352.32 : x
  2. Step 2: Convert to fraction form
    39,257.34/54,173.58 = 21,352.32/x
  3. Step 3: Cross multiply
    39,257.34x = 54,173.58 × 21,352.32
  4. Step 4: Simplify right side
    39,257.34x = 1,156,731,615.71
  5. Step 5: Solve for x
    x = 1,156,731,615.71/39,257.34
  6. Step 6: Final answer
    x = 29,465.36

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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.