Home / 56,307.06-84,485.34-21,238.52

Finding the Fourth Proportional to 56,307.06, 84,485.34 and 21,238.52

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Solution

The fourth proportional to 56,307.06, 84,485.34 and 21,238.52 is: 31,867.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,307.06 : 84,485.34 = 21,238.52 : x
  2. Step 2: Convert to fraction form
    56,307.06/84,485.34 = 21,238.52/x
  3. Step 3: Cross multiply
    56,307.06x = 84,485.34 × 21,238.52
  4. Step 4: Simplify right side
    56,307.06x = 1,794,343,160.87
  5. Step 5: Solve for x
    x = 1,794,343,160.87/56,307.06
  6. Step 6: Final answer
    x = 31,867.11

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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.