Home / 34,327.83-47,379.80-20,903.52

Finding the Fourth Proportional to 34,327.83, 47,379.80 and 20,903.52

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Solution

The fourth proportional to 34,327.83, 47,379.80 and 20,903.52 is: 28,851.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,327.83 : 47,379.80 = 20,903.52 : x
  2. Step 2: Convert to fraction form
    34,327.83/47,379.80 = 20,903.52/x
  3. Step 3: Cross multiply
    34,327.83x = 47,379.80 × 20,903.52
  4. Step 4: Simplify right side
    34,327.83x = 990,404,492.38
  5. Step 5: Solve for x
    x = 990,404,492.38/34,327.83
  6. Step 6: Final answer
    x = 28,851.36

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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.