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Finding the Fourth Proportional to 51,437.22, 70,980.90 and 32,326.90

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Solution

The fourth proportional to 51,437.22, 70,980.90 and 32,326.90 is: 44,609.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,437.22 : 70,980.90 = 32,326.90 : x
  2. Step 2: Convert to fraction form
    51,437.22/70,980.90 = 32,326.90/x
  3. Step 3: Cross multiply
    51,437.22x = 70,980.90 × 32,326.90
  4. Step 4: Simplify right side
    51,437.22x = 2,294,592,456.21
  5. Step 5: Solve for x
    x = 2,294,592,456.21/51,437.22
  6. Step 6: Final answer
    x = 44,609.57

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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.