Home / 31,407.22-43,341.20-17,977.62

Finding the Fourth Proportional to 31,407.22, 43,341.20 and 17,977.62

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Solution

The fourth proportional to 31,407.22, 43,341.20 and 17,977.62 is: 24,808.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,407.22 : 43,341.20 = 17,977.62 : x
  2. Step 2: Convert to fraction form
    31,407.22/43,341.20 = 17,977.62/x
  3. Step 3: Cross multiply
    31,407.22x = 43,341.20 × 17,977.62
  4. Step 4: Simplify right side
    31,407.22x = 779,171,534.06
  5. Step 5: Solve for x
    x = 779,171,534.06/31,407.22
  6. Step 6: Final answer
    x = 24,808.68

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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.