Home / 31,605.36-47,415.98-14,960.90

Finding the Fourth Proportional to 31,605.36, 47,415.98 and 14,960.90

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Solution

The fourth proportional to 31,605.36, 47,415.98 and 14,960.90 is: 22,445.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,605.36 : 47,415.98 = 14,960.90 : x
  2. Step 2: Convert to fraction form
    31,605.36/47,415.98 = 14,960.90/x
  3. Step 3: Cross multiply
    31,605.36x = 47,415.98 × 14,960.90
  4. Step 4: Simplify right side
    31,605.36x = 709,385,891.12
  5. Step 5: Solve for x
    x = 709,385,891.12/31,605.36
  6. Step 6: Final answer
    x = 22,445.12

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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.