Home / 35,281.26-48,684.87-20,938.59

Finding the Fourth Proportional to 35,281.26, 48,684.87 and 20,938.59

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Solution

The fourth proportional to 35,281.26, 48,684.87 and 20,938.59 is: 28,893.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,281.26 : 48,684.87 = 20,938.59 : x
  2. Step 2: Convert to fraction form
    35,281.26/48,684.87 = 20,938.59/x
  3. Step 3: Cross multiply
    35,281.26x = 48,684.87 × 20,938.59
  4. Step 4: Simplify right side
    35,281.26x = 1,019,392,532.13
  5. Step 5: Solve for x
    x = 1,019,392,532.13/35,281.26
  6. Step 6: Final answer
    x = 28,893.31

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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.