Home / 47,945.09-66,165.10-26,722.08

Finding the Fourth Proportional to 47,945.09, 66,165.10 and 26,722.08

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Solution

The fourth proportional to 47,945.09, 66,165.10 and 26,722.08 is: 36,876.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,945.09 : 66,165.10 = 26,722.08 : x
  2. Step 2: Convert to fraction form
    47,945.09/66,165.10 = 26,722.08/x
  3. Step 3: Cross multiply
    47,945.09x = 66,165.10 × 26,722.08
  4. Step 4: Simplify right side
    47,945.09x = 1,768,069,028.60
  5. Step 5: Solve for x
    x = 1,768,069,028.60/47,945.09
  6. Step 6: Final answer
    x = 36,876.96

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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.