Home / 34,774.31-47,988.59-18,858.77

Finding the Fourth Proportional to 34,774.31, 47,988.59 and 18,858.77

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Solution

The fourth proportional to 34,774.31, 47,988.59 and 18,858.77 is: 26,025.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,774.31 : 47,988.59 = 18,858.77 : x
  2. Step 2: Convert to fraction form
    34,774.31/47,988.59 = 18,858.77/x
  3. Step 3: Cross multiply
    34,774.31x = 47,988.59 × 18,858.77
  4. Step 4: Simplify right side
    34,774.31x = 905,005,627.15
  5. Step 5: Solve for x
    x = 905,005,627.15/34,774.31
  6. Step 6: Final answer
    x = 26,025.12

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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.