Home / 47,997.50-71,988.95-18,429.26

Finding the Fourth Proportional to 47,997.50, 71,988.95 and 18,429.26

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Solution

The fourth proportional to 47,997.50, 71,988.95 and 18,429.26 is: 27,641.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,997.50 : 71,988.95 = 18,429.26 : x
  2. Step 2: Convert to fraction form
    47,997.50/71,988.95 = 18,429.26/x
  3. Step 3: Cross multiply
    47,997.50x = 71,988.95 × 18,429.26
  4. Step 4: Simplify right side
    47,997.50x = 1,326,702,762.81
  5. Step 5: Solve for x
    x = 1,326,702,762.81/47,997.50
  6. Step 6: Final answer
    x = 27,641.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.