Home / 31,426.22-47,130.10-9,234.32

Finding the Fourth Proportional to 31,426.22, 47,130.10 and 9,234.32

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Solution

The fourth proportional to 31,426.22, 47,130.10 and 9,234.32 is: 13,848.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,426.22 : 47,130.10 = 9,234.32 : x
  2. Step 2: Convert to fraction form
    31,426.22/47,130.10 = 9,234.32/x
  3. Step 3: Cross multiply
    31,426.22x = 47,130.10 × 9,234.32
  4. Step 4: Simplify right side
    31,426.22x = 435,214,377.66
  5. Step 5: Solve for x
    x = 435,214,377.66/31,426.22
  6. Step 6: Final answer
    x = 13,848.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.