Home / 35,403.69-48,851.38-20,293.57

Finding the Fourth Proportional to 35,403.69, 48,851.38 and 20,293.57

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Solution

The fourth proportional to 35,403.69, 48,851.38 and 20,293.57 is: 28,001.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,403.69 : 48,851.38 = 20,293.57 : x
  2. Step 2: Convert to fraction form
    35,403.69/48,851.38 = 20,293.57/x
  3. Step 3: Cross multiply
    35,403.69x = 48,851.38 × 20,293.57
  4. Step 4: Simplify right side
    35,403.69x = 991,368,798.16
  5. Step 5: Solve for x
    x = 991,368,798.16/35,403.69
  6. Step 6: Final answer
    x = 28,001.85

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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.