Home / 42,637.10-63,960.45-13,054.70

Finding the Fourth Proportional to 42,637.10, 63,960.45 and 13,054.70

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Solution

The fourth proportional to 42,637.10, 63,960.45 and 13,054.70 is: 19,583.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,637.10 : 63,960.45 = 13,054.70 : x
  2. Step 2: Convert to fraction form
    42,637.10/63,960.45 = 13,054.70/x
  3. Step 3: Cross multiply
    42,637.10x = 63,960.45 × 13,054.70
  4. Step 4: Simplify right side
    42,637.10x = 834,984,486.62
  5. Step 5: Solve for x
    x = 834,984,486.62/42,637.10
  6. Step 6: Final answer
    x = 19,583.52

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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.