Home / 39,382.06-54,346.67-21,477.02

Finding the Fourth Proportional to 39,382.06, 54,346.67 and 21,477.02

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Solution

The fourth proportional to 39,382.06, 54,346.67 and 21,477.02 is: 29,637.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,382.06 : 54,346.67 = 21,477.02 : x
  2. Step 2: Convert to fraction form
    39,382.06/54,346.67 = 21,477.02/x
  3. Step 3: Cross multiply
    39,382.06x = 54,346.67 × 21,477.02
  4. Step 4: Simplify right side
    39,382.06x = 1,167,204,602.99
  5. Step 5: Solve for x
    x = 1,167,204,602.99/39,382.06
  6. Step 6: Final answer
    x = 29,637.98

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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.