Home / 56,682.36-78,139.76-37,530.05

Finding the Fourth Proportional to 56,682.36, 78,139.76 and 37,530.05

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Solution

The fourth proportional to 56,682.36, 78,139.76 and 37,530.05 is: 51,737.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,682.36 : 78,139.76 = 37,530.05 : x
  2. Step 2: Convert to fraction form
    56,682.36/78,139.76 = 37,530.05/x
  3. Step 3: Cross multiply
    56,682.36x = 78,139.76 × 37,530.05
  4. Step 4: Simplify right side
    56,682.36x = 2,932,588,521.44
  5. Step 5: Solve for x
    x = 2,932,588,521.44/56,682.36
  6. Step 6: Final answer
    x = 51,737.23

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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.