Home / 51,943.61-71,666.24-31,779.47

Finding the Fourth Proportional to 51,943.61, 71,666.24 and 31,779.47

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Solution

The fourth proportional to 51,943.61, 71,666.24 and 31,779.47 is: 43,845.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,943.61 : 71,666.24 = 31,779.47 : x
  2. Step 2: Convert to fraction form
    51,943.61/71,666.24 = 31,779.47/x
  3. Step 3: Cross multiply
    51,943.61x = 71,666.24 × 31,779.47
  4. Step 4: Simplify right side
    51,943.61x = 2,277,515,124.09
  5. Step 5: Solve for x
    x = 2,277,515,124.09/51,943.61
  6. Step 6: Final answer
    x = 43,845.92

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1.5x scale

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.