Home / 31,575.61-47,299.02-19,690.48

Finding the Fourth Proportional to 31,575.61, 47,299.02 and 19,690.48

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Solution

The fourth proportional to 31,575.61, 47,299.02 and 19,690.48 is: 29,495.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,575.61 : 47,299.02 = 19,690.48 : x
  2. Step 2: Convert to fraction form
    31,575.61/47,299.02 = 19,690.48/x
  3. Step 3: Cross multiply
    31,575.61x = 47,299.02 × 19,690.48
  4. Step 4: Simplify right side
    31,575.61x = 931,340,407.33
  5. Step 5: Solve for x
    x = 931,340,407.33/31,575.61
  6. Step 6: Final answer
    x = 29,495.56

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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.