Home / 39,586.02-54,628.79-21,436.94

Finding the Fourth Proportional to 39,586.02, 54,628.79 and 21,436.94

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Solution

The fourth proportional to 39,586.02, 54,628.79 and 21,436.94 is: 29,583.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,586.02 : 54,628.79 = 21,436.94 : x
  2. Step 2: Convert to fraction form
    39,586.02/54,628.79 = 21,436.94/x
  3. Step 3: Cross multiply
    39,586.02x = 54,628.79 × 21,436.94
  4. Step 4: Simplify right side
    39,586.02x = 1,171,074,093.50
  5. Step 5: Solve for x
    x = 1,171,074,093.50/39,586.02
  6. Step 6: Final answer
    x = 29,583.02

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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.