Home / 42,703.36-64,012.18-14,604.19

Finding the Fourth Proportional to 42,703.36, 64,012.18 and 14,604.19

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Solution

The fourth proportional to 42,703.36, 64,012.18 and 14,604.19 is: 21,891.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,703.36 : 64,012.18 = 14,604.19 : x
  2. Step 2: Convert to fraction form
    42,703.36/64,012.18 = 14,604.19/x
  3. Step 3: Cross multiply
    42,703.36x = 64,012.18 × 14,604.19
  4. Step 4: Simplify right side
    42,703.36x = 934,846,229.94
  5. Step 5: Solve for x
    x = 934,846,229.94/42,703.36
  6. Step 6: Final answer
    x = 21,891.63

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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.