Home / 42,706.36-64,060.98-11,541.88

Finding the Fourth Proportional to 42,706.36, 64,060.98 and 11,541.88

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Solution

The fourth proportional to 42,706.36, 64,060.98 and 11,541.88 is: 17,313.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,706.36 : 64,060.98 = 11,541.88 : x
  2. Step 2: Convert to fraction form
    42,706.36/64,060.98 = 11,541.88/x
  3. Step 3: Cross multiply
    42,706.36x = 64,060.98 × 11,541.88
  4. Step 4: Simplify right side
    42,706.36x = 739,384,143.84
  5. Step 5: Solve for x
    x = 739,384,143.84/42,706.36
  6. Step 6: Final answer
    x = 17,313.21

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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.