Home / 39,733.34-54,832.02-21,829.50

Finding the Fourth Proportional to 39,733.34, 54,832.02 and 21,829.50

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Solution

The fourth proportional to 39,733.34, 54,832.02 and 21,829.50 is: 30,124.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,733.34 : 54,832.02 = 21,829.50 : x
  2. Step 2: Convert to fraction form
    39,733.34/54,832.02 = 21,829.50/x
  3. Step 3: Cross multiply
    39,733.34x = 54,832.02 × 21,829.50
  4. Step 4: Simplify right side
    39,733.34x = 1,196,955,390.20
  5. Step 5: Solve for x
    x = 1,196,955,390.20/39,733.34
  6. Step 6: Final answer
    x = 30,124.71

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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.