Home / 20,901.49-31,466.27-19,064.41

Finding the Fourth Proportional to 20,901.49, 31,466.27 and 19,064.41

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Solution

The fourth proportional to 20,901.49, 31,466.27 and 19,064.41 is: 28,700.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,901.49 : 31,466.27 = 19,064.41 : x
  2. Step 2: Convert to fraction form
    20,901.49/31,466.27 = 19,064.41/x
  3. Step 3: Cross multiply
    20,901.49x = 31,466.27 × 19,064.41
  4. Step 4: Simplify right side
    20,901.49x = 599,885,872.45
  5. Step 5: Solve for x
    x = 599,885,872.45/20,901.49
  6. Step 6: Final answer
    x = 28,700.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.