Home / 35,087.18-48,420.52-19,980.95

Finding the Fourth Proportional to 35,087.18, 48,420.52 and 19,980.95

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Solution

The fourth proportional to 35,087.18, 48,420.52 and 19,980.95 is: 27,573.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,087.18 : 48,420.52 = 19,980.95 : x
  2. Step 2: Convert to fraction form
    35,087.18/48,420.52 = 19,980.95/x
  3. Step 3: Cross multiply
    35,087.18x = 48,420.52 × 19,980.95
  4. Step 4: Simplify right side
    35,087.18x = 967,487,697.04
  5. Step 5: Solve for x
    x = 967,487,697.04/35,087.18
  6. Step 6: Final answer
    x = 27,573.83

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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.