Home / 59,137.36-88,739.16-31,434.64

Finding the Fourth Proportional to 59,137.36, 88,739.16 and 31,434.64

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Solution

The fourth proportional to 59,137.36, 88,739.16 and 31,434.64 is: 47,169.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,137.36 : 88,739.16 = 31,434.64 : x
  2. Step 2: Convert to fraction form
    59,137.36/88,739.16 = 31,434.64/x
  3. Step 3: Cross multiply
    59,137.36x = 88,739.16 × 31,434.64
  4. Step 4: Simplify right side
    59,137.36x = 2,789,483,548.50
  5. Step 5: Solve for x
    x = 2,789,483,548.50/59,137.36
  6. Step 6: Final answer
    x = 47,169.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.