Home / 31,570.02-47,322.09-12,842.55

Finding the Fourth Proportional to 31,570.02, 47,322.09 and 12,842.55

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Solution

The fourth proportional to 31,570.02, 47,322.09 and 12,842.55 is: 19,250.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,570.02 : 47,322.09 = 12,842.55 : x
  2. Step 2: Convert to fraction form
    31,570.02/47,322.09 = 12,842.55/x
  3. Step 3: Cross multiply
    31,570.02x = 47,322.09 × 12,842.55
  4. Step 4: Simplify right side
    31,570.02x = 607,736,306.93
  5. Step 5: Solve for x
    x = 607,736,306.93/31,570.02
  6. Step 6: Final answer
    x = 19,250.43

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