Home / 39,232.59-54,140.34-21,328.05

Finding the Fourth Proportional to 39,232.59, 54,140.34 and 21,328.05

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Solution

The fourth proportional to 39,232.59, 54,140.34 and 21,328.05 is: 29,432.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,232.59 : 54,140.34 = 21,328.05 : x
  2. Step 2: Convert to fraction form
    39,232.59/54,140.34 = 21,328.05/x
  3. Step 3: Cross multiply
    39,232.59x = 54,140.34 × 21,328.05
  4. Step 4: Simplify right side
    39,232.59x = 1,154,707,878.54
  5. Step 5: Solve for x
    x = 1,154,707,878.54/39,232.59
  6. Step 6: Final answer
    x = 29,432.36

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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.