Home / 31,432.57-43,341.51-22,919.67

Finding the Fourth Proportional to 31,432.57, 43,341.51 and 22,919.67

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Solution

The fourth proportional to 31,432.57, 43,341.51 and 22,919.67 is: 31,603.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,432.57 : 43,341.51 = 22,919.67 : x
  2. Step 2: Convert to fraction form
    31,432.57/43,341.51 = 22,919.67/x
  3. Step 3: Cross multiply
    31,432.57x = 43,341.51 × 22,919.67
  4. Step 4: Simplify right side
    31,432.57x = 993,373,192.45
  5. Step 5: Solve for x
    x = 993,373,192.45/31,432.57
  6. Step 6: Final answer
    x = 31,603.31

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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.