Home / 31,856.68-43,960.74-17,709.40

Finding the Fourth Proportional to 31,856.68, 43,960.74 and 17,709.40

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Solution

The fourth proportional to 31,856.68, 43,960.74 and 17,709.40 is: 24,438.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,856.68 : 43,960.74 = 17,709.40 : x
  2. Step 2: Convert to fraction form
    31,856.68/43,960.74 = 17,709.40/x
  3. Step 3: Cross multiply
    31,856.68x = 43,960.74 × 17,709.40
  4. Step 4: Simplify right side
    31,856.68x = 778,518,328.96
  5. Step 5: Solve for x
    x = 778,518,328.96/31,856.68
  6. Step 6: Final answer
    x = 24,438.15

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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.