Home / 35,307.30-48,712.15-20,189.19

Finding the Fourth Proportional to 35,307.30, 48,712.15 and 20,189.19

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Solution

The fourth proportional to 35,307.30, 48,712.15 and 20,189.19 is: 27,854.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,307.30 : 48,712.15 = 20,189.19 : x
  2. Step 2: Convert to fraction form
    35,307.30/48,712.15 = 20,189.19/x
  3. Step 3: Cross multiply
    35,307.30x = 48,712.15 × 20,189.19
  4. Step 4: Simplify right side
    35,307.30x = 983,458,851.66
  5. Step 5: Solve for x
    x = 983,458,851.66/35,307.30
  6. Step 6: Final answer
    x = 27,854.26

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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.