Home / 34,723.90-47,918.98-18,808.35

Finding the Fourth Proportional to 34,723.90, 47,918.98 and 18,808.35

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Solution

The fourth proportional to 34,723.90, 47,918.98 and 18,808.35 is: 25,955.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,723.90 : 47,918.98 = 18,808.35 : x
  2. Step 2: Convert to fraction form
    34,723.90/47,918.98 = 18,808.35/x
  3. Step 3: Cross multiply
    34,723.90x = 47,918.98 × 18,808.35
  4. Step 4: Simplify right side
    34,723.90x = 901,276,947.48
  5. Step 5: Solve for x
    x = 901,276,947.48/34,723.90
  6. Step 6: Final answer
    x = 25,955.52

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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.