Home / 51,505.23-77,608.80-42,350.33

Finding the Fourth Proportional to 51,505.23, 77,608.80 and 42,350.33

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Solution

The fourth proportional to 51,505.23, 77,608.80 and 42,350.33 is: 63,814.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,505.23 : 77,608.80 = 42,350.33 : x
  2. Step 2: Convert to fraction form
    51,505.23/77,608.80 = 42,350.33/x
  3. Step 3: Cross multiply
    51,505.23x = 77,608.80 × 42,350.33
  4. Step 4: Simplify right side
    51,505.23x = 3,286,758,079.15
  5. Step 5: Solve for x
    x = 3,286,758,079.15/51,505.23
  6. Step 6: Final answer
    x = 63,814.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.