Home / 39,559.06-54,592.02-21,653.68

Finding the Fourth Proportional to 39,559.06, 54,592.02 and 21,653.68

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Solution

The fourth proportional to 39,559.06, 54,592.02 and 21,653.68 is: 29,882.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,559.06 : 54,592.02 = 21,653.68 : x
  2. Step 2: Convert to fraction form
    39,559.06/54,592.02 = 21,653.68/x
  3. Step 3: Cross multiply
    39,559.06x = 54,592.02 × 21,653.68
  4. Step 4: Simplify right side
    39,559.06x = 1,182,118,036.61
  5. Step 5: Solve for x
    x = 1,182,118,036.61/39,559.06
  6. Step 6: Final answer
    x = 29,882.36

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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.