Home / 51,537.70-77,657.67-42,382.81

Finding the Fourth Proportional to 51,537.70, 77,657.67 and 42,382.81

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Solution

The fourth proportional to 51,537.70, 77,657.67 and 42,382.81 is: 63,862.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,537.70 : 77,657.67 = 42,382.81 : x
  2. Step 2: Convert to fraction form
    51,537.70/77,657.67 = 42,382.81/x
  3. Step 3: Cross multiply
    51,537.70x = 77,657.67 × 42,382.81
  4. Step 4: Simplify right side
    51,537.70x = 3,291,350,369.72
  5. Step 5: Solve for x
    x = 3,291,350,369.72/51,537.70
  6. Step 6: Final answer
    x = 63,862.96

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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.