Home / 31,518.90-47,283.94-10,460.20

Finding the Fourth Proportional to 31,518.90, 47,283.94 and 10,460.20

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Solution

The fourth proportional to 31,518.90, 47,283.94 and 10,460.20 is: 15,692.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,518.90 : 47,283.94 = 10,460.20 : x
  2. Step 2: Convert to fraction form
    31,518.90/47,283.94 = 10,460.20/x
  3. Step 3: Cross multiply
    31,518.90x = 47,283.94 × 10,460.20
  4. Step 4: Simplify right side
    31,518.90x = 494,599,469.19
  5. Step 5: Solve for x
    x = 494,599,469.19/31,518.90
  6. Step 6: Final answer
    x = 15,692.16

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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.