Home / 31,840.50-47,424.41-30,175.14

Finding the Fourth Proportional to 31,840.50, 47,424.41 and 30,175.14

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Solution

The fourth proportional to 31,840.50, 47,424.41 and 30,175.14 is: 44,943.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,840.50 : 47,424.41 = 30,175.14 : x
  2. Step 2: Convert to fraction form
    31,840.50/47,424.41 = 30,175.14/x
  3. Step 3: Cross multiply
    31,840.50x = 47,424.41 × 30,175.14
  4. Step 4: Simplify right side
    31,840.50x = 1,431,038,060.29
  5. Step 5: Solve for x
    x = 1,431,038,060.29/31,840.50
  6. Step 6: Final answer
    x = 44,943.96

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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.