Home / 74,088.36-111,150.77-21,497.09

Finding the Fourth Proportional to 74,088.36, 111,150.77 and 21,497.09

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Solution

The fourth proportional to 74,088.36, 111,150.77 and 21,497.09 is: 32,250.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,088.36 : 111,150.77 = 21,497.09 : x
  2. Step 2: Convert to fraction form
    74,088.36/111,150.77 = 21,497.09/x
  3. Step 3: Cross multiply
    74,088.36x = 111,150.77 × 21,497.09
  4. Step 4: Simplify right side
    74,088.36x = 2,389,417,443.02
  5. Step 5: Solve for x
    x = 2,389,417,443.02/74,088.36
  6. Step 6: Final answer
    x = 32,250.92

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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.