Home / 42,615.36-63,951.48-14,913.36

Finding the Fourth Proportional to 42,615.36, 63,951.48 and 14,913.36

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Solution

The fourth proportional to 42,615.36, 63,951.48 and 14,913.36 is: 22,379.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,615.36 : 63,951.48 = 14,913.36 : x
  2. Step 2: Convert to fraction form
    42,615.36/63,951.48 = 14,913.36/x
  3. Step 3: Cross multiply
    42,615.36x = 63,951.48 × 14,913.36
  4. Step 4: Simplify right side
    42,615.36x = 953,731,443.77
  5. Step 5: Solve for x
    x = 953,731,443.77/42,615.36
  6. Step 6: Final answer
    x = 22,379.99

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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.