Home / 31,471.47-43,436.93-18,051.80

Finding the Fourth Proportional to 31,471.47, 43,436.93 and 18,051.80

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Solution

The fourth proportional to 31,471.47, 43,436.93 and 18,051.80 is: 24,915.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,471.47 : 43,436.93 = 18,051.80 : x
  2. Step 2: Convert to fraction form
    31,471.47/43,436.93 = 18,051.80/x
  3. Step 3: Cross multiply
    31,471.47x = 43,436.93 × 18,051.80
  4. Step 4: Simplify right side
    31,471.47x = 784,114,465.53
  5. Step 5: Solve for x
    x = 784,114,465.53/31,471.47
  6. Step 6: Final answer
    x = 24,915.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.