Home / 34,858.71-52,271.73-12,656.61

Finding the Fourth Proportional to 34,858.71, 52,271.73 and 12,656.61

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Solution

The fourth proportional to 34,858.71, 52,271.73 and 12,656.61 is: 18,978.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,858.71 : 52,271.73 = 12,656.61 : x
  2. Step 2: Convert to fraction form
    34,858.71/52,271.73 = 12,656.61/x
  3. Step 3: Cross multiply
    34,858.71x = 52,271.73 × 12,656.61
  4. Step 4: Simplify right side
    34,858.71x = 661,582,900.64
  5. Step 5: Solve for x
    x = 661,582,900.64/34,858.71
  6. Step 6: Final answer
    x = 18,978.98

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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.