Home / 35,419.15-48,878.76-19,504.18

Finding the Fourth Proportional to 35,419.15, 48,878.76 and 19,504.18

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Solution

The fourth proportional to 35,419.15, 48,878.76 and 19,504.18 is: 26,915.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,419.15 : 48,878.76 = 19,504.18 : x
  2. Step 2: Convert to fraction form
    35,419.15/48,878.76 = 19,504.18/x
  3. Step 3: Cross multiply
    35,419.15x = 48,878.76 × 19,504.18
  4. Step 4: Simplify right side
    35,419.15x = 953,340,133.22
  5. Step 5: Solve for x
    x = 953,340,133.22/35,419.15
  6. Step 6: Final answer
    x = 26,915.95

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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.