Home / 35,403.19-48,850.69-20,293.07

Finding the Fourth Proportional to 35,403.19, 48,850.69 and 20,293.07

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Solution

The fourth proportional to 35,403.19, 48,850.69 and 20,293.07 is: 28,001.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,403.19 : 48,850.69 = 20,293.07 : x
  2. Step 2: Convert to fraction form
    35,403.19/48,850.69 = 20,293.07/x
  3. Step 3: Cross multiply
    35,403.19x = 48,850.69 × 20,293.07
  4. Step 4: Simplify right side
    35,403.19x = 991,330,370.25
  5. Step 5: Solve for x
    x = 991,330,370.25/35,403.19
  6. Step 6: Final answer
    x = 28,001.16

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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.