Home / 39,227.59-54,134.93-21,323.81

Finding the Fourth Proportional to 39,227.59, 54,134.93 and 21,323.81

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Solution

The fourth proportional to 39,227.59, 54,134.93 and 21,323.81 is: 29,427.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,227.59 : 54,134.93 = 21,323.81 : x
  2. Step 2: Convert to fraction form
    39,227.59/54,134.93 = 21,323.81/x
  3. Step 3: Cross multiply
    39,227.59x = 54,134.93 × 21,323.81
  4. Step 4: Simplify right side
    39,227.59x = 1,154,362,845.82
  5. Step 5: Solve for x
    x = 1,154,362,845.82/39,227.59
  6. Step 6: Final answer
    x = 29,427.32

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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.