Home / 51,697.18-71,349.96-31,565.80

Finding the Fourth Proportional to 51,697.18, 71,349.96 and 31,565.80

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Solution

The fourth proportional to 51,697.18, 71,349.96 and 31,565.80 is: 43,565.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,697.18 : 71,349.96 = 31,565.80 : x
  2. Step 2: Convert to fraction form
    51,697.18/71,349.96 = 31,565.80/x
  3. Step 3: Cross multiply
    51,697.18x = 71,349.96 × 31,565.80
  4. Step 4: Simplify right side
    51,697.18x = 2,252,218,567.37
  5. Step 5: Solve for x
    x = 2,252,218,567.37/51,697.18
  6. Step 6: Final answer
    x = 43,565.60

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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.