Home / 52,064.63-78,087.51-14,615.49

Finding the Fourth Proportional to 52,064.63, 78,087.51 and 14,615.49

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Solution

The fourth proportional to 52,064.63, 78,087.51 and 14,615.49 is: 21,920.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,064.63 : 78,087.51 = 14,615.49 : x
  2. Step 2: Convert to fraction form
    52,064.63/78,087.51 = 14,615.49/x
  3. Step 3: Cross multiply
    52,064.63x = 78,087.51 × 14,615.49
  4. Step 4: Simplify right side
    52,064.63x = 1,141,287,221.53
  5. Step 5: Solve for x
    x = 1,141,287,221.53/52,064.63
  6. Step 6: Final answer
    x = 21,920.59

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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.