Home / 31,816.18-47,378.28-31,466.73

Finding the Fourth Proportional to 31,816.18, 47,378.28 and 31,466.73

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Solution

The fourth proportional to 31,816.18, 47,378.28 and 31,466.73 is: 46,857.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,816.18 : 47,378.28 = 31,466.73 : x
  2. Step 2: Convert to fraction form
    31,816.18/47,378.28 = 31,466.73/x
  3. Step 3: Cross multiply
    31,816.18x = 47,378.28 × 31,466.73
  4. Step 4: Simplify right side
    31,816.18x = 1,490,839,840.29
  5. Step 5: Solve for x
    x = 1,490,839,840.29/31,816.18
  6. Step 6: Final answer
    x = 46,857.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.