Home / 37,268.84-51,430.77-21,139.17

Finding the Fourth Proportional to 37,268.84, 51,430.77 and 21,139.17

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Solution

The fourth proportional to 37,268.84, 51,430.77 and 21,139.17 is: 29,171.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,268.84 : 51,430.77 = 21,139.17 : x
  2. Step 2: Convert to fraction form
    37,268.84/51,430.77 = 21,139.17/x
  3. Step 3: Cross multiply
    37,268.84x = 51,430.77 × 21,139.17
  4. Step 4: Simplify right side
    37,268.84x = 1,087,203,790.26
  5. Step 5: Solve for x
    x = 1,087,203,790.26/37,268.84
  6. Step 6: Final answer
    x = 29,171.93

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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.