Home / 31,971.40-44,120.86-17,631.74

Finding the Fourth Proportional to 31,971.40, 44,120.86 and 17,631.74

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Solution

The fourth proportional to 31,971.40, 44,120.86 and 17,631.74 is: 24,331.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,971.40 : 44,120.86 = 17,631.74 : x
  2. Step 2: Convert to fraction form
    31,971.40/44,120.86 = 17,631.74/x
  3. Step 3: Cross multiply
    31,971.40x = 44,120.86 × 17,631.74
  4. Step 4: Simplify right side
    31,971.40x = 777,927,598.32
  5. Step 5: Solve for x
    x = 777,927,598.32/31,971.40
  6. Step 6: Final answer
    x = 24,331.99

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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.