Home / 31,595.09-47,379.48-12,862.41

Finding the Fourth Proportional to 31,595.09, 47,379.48 and 12,862.41

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Solution

The fourth proportional to 31,595.09, 47,379.48 and 12,862.41 is: 19,288.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,595.09 : 47,379.48 = 12,862.41 : x
  2. Step 2: Convert to fraction form
    31,595.09/47,379.48 = 12,862.41/x
  3. Step 3: Cross multiply
    31,595.09x = 47,379.48 × 12,862.41
  4. Step 4: Simplify right side
    31,595.09x = 609,414,129.02
  5. Step 5: Solve for x
    x = 609,414,129.02/31,595.09
  6. Step 6: Final answer
    x = 19,288.26

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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.