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Finding the Fourth Proportional to 31,480, 47,220 and 9,592

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Solution

The fourth proportional to 31,480, 47,220 and 9,592 is: 14,388

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,480 : 47,220 = 9,592 : x
  2. Step 2: Convert to fraction form
    31,480/47,220 = 9,592/x
  3. Step 3: Cross multiply
    31,480x = 47,220 × 9,592
  4. Step 4: Simplify right side
    31,480x = 452,934,240
  5. Step 5: Solve for x
    x = 452,934,240/31,480
  6. Step 6: Final answer
    x = 14,388

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