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Finding the Fourth Proportional to 61,571.71, 92,190.99 and 31,927.23

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Solution

The fourth proportional to 61,571.71, 92,190.99 and 31,927.23 is: 47,804.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,571.71 : 92,190.99 = 31,927.23 : x
  2. Step 2: Convert to fraction form
    61,571.71/92,190.99 = 31,927.23/x
  3. Step 3: Cross multiply
    61,571.71x = 92,190.99 × 31,927.23
  4. Step 4: Simplify right side
    61,571.71x = 2,943,403,061.38
  5. Step 5: Solve for x
    x = 2,943,403,061.38/61,571.71
  6. Step 6: Final answer
    x = 47,804.47

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1.5x scale

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.