Home / 42,437.79-63,663.39-13,965.84

Finding the Fourth Proportional to 42,437.79, 63,663.39 and 13,965.84

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Solution

The fourth proportional to 42,437.79, 63,663.39 and 13,965.84 is: 20,950.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,437.79 : 63,663.39 = 13,965.84 : x
  2. Step 2: Convert to fraction form
    42,437.79/63,663.39 = 13,965.84/x
  3. Step 3: Cross multiply
    42,437.79x = 63,663.39 × 13,965.84
  4. Step 4: Simplify right side
    42,437.79x = 889,112,718.60
  5. Step 5: Solve for x
    x = 889,112,718.60/42,437.79
  6. Step 6: Final answer
    x = 20,950.97

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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.