Home / 31,461.70-43,412.19-18,030.37

Finding the Fourth Proportional to 31,461.70, 43,412.19 and 18,030.37

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Solution

The fourth proportional to 31,461.70, 43,412.19 and 18,030.37 is: 24,879.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,461.70 : 43,412.19 = 18,030.37 : x
  2. Step 2: Convert to fraction form
    31,461.70/43,412.19 = 18,030.37/x
  3. Step 3: Cross multiply
    31,461.70x = 43,412.19 × 18,030.37
  4. Step 4: Simplify right side
    31,461.70x = 782,737,848.21
  5. Step 5: Solve for x
    x = 782,737,848.21/31,461.70
  6. Step 6: Final answer
    x = 24,879.07

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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.