Home / 47,919.32-66,128.76-26,699.36

Finding the Fourth Proportional to 47,919.32, 66,128.76 and 26,699.36

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Solution

The fourth proportional to 47,919.32, 66,128.76 and 26,699.36 is: 36,845.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,919.32 : 66,128.76 = 26,699.36 : x
  2. Step 2: Convert to fraction form
    47,919.32/66,128.76 = 26,699.36/x
  3. Step 3: Cross multiply
    47,919.32x = 66,128.76 × 26,699.36
  4. Step 4: Simplify right side
    47,919.32x = 1,765,595,569.59
  5. Step 5: Solve for x
    x = 1,765,595,569.59/47,919.32
  6. Step 6: Final answer
    x = 36,845.17

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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.