Home / 31,564.32-47,355.12-9,377.28

Finding the Fourth Proportional to 31,564.32, 47,355.12 and 9,377.28

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Solution

The fourth proportional to 31,564.32, 47,355.12 and 9,377.28 is: 14,068.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,564.32 : 47,355.12 = 9,377.28 : x
  2. Step 2: Convert to fraction form
    31,564.32/47,355.12 = 9,377.28/x
  3. Step 3: Cross multiply
    31,564.32x = 47,355.12 × 9,377.28
  4. Step 4: Simplify right side
    31,564.32x = 444,062,219.67
  5. Step 5: Solve for x
    x = 444,062,219.67/31,564.32
  6. Step 6: Final answer
    x = 14,068.49

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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.