Home / 31,623.66-47,430.90-9,436.14

Finding the Fourth Proportional to 31,623.66, 47,430.90 and 9,436.14

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Solution

The fourth proportional to 31,623.66, 47,430.90 and 9,436.14 is: 14,152.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,623.66 : 47,430.90 = 9,436.14 : x
  2. Step 2: Convert to fraction form
    31,623.66/47,430.90 = 9,436.14/x
  3. Step 3: Cross multiply
    31,623.66x = 47,430.90 × 9,436.14
  4. Step 4: Simplify right side
    31,623.66x = 447,564,612.73
  5. Step 5: Solve for x
    x = 447,564,612.73/31,623.66
  6. Step 6: Final answer
    x = 14,152.84

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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.