Home / 33,070.61-45,619.27-20,948.90

Finding the Fourth Proportional to 33,070.61, 45,619.27 and 20,948.90

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Solution

The fourth proportional to 33,070.61, 45,619.27 and 20,948.90 is: 28,897.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,070.61 : 45,619.27 = 20,948.90 : x
  2. Step 2: Convert to fraction form
    33,070.61/45,619.27 = 20,948.90/x
  3. Step 3: Cross multiply
    33,070.61x = 45,619.27 × 20,948.90
  4. Step 4: Simplify right side
    33,070.61x = 955,673,244.83
  5. Step 5: Solve for x
    x = 955,673,244.83/33,070.61
  6. Step 6: Final answer
    x = 28,897.96

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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.