Home / 58,511.20-87,774-19,057.72

Finding the Fourth Proportional to 58,511.20, 87,774 and 19,057.72

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Solution

The fourth proportional to 58,511.20, 87,774 and 19,057.72 is: 28,588.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,511.20 : 87,774 = 19,057.72 : x
  2. Step 2: Convert to fraction form
    58,511.20/87,774 = 19,057.72/x
  3. Step 3: Cross multiply
    58,511.20x = 87,774 × 19,057.72
  4. Step 4: Simplify right side
    58,511.20x = 1,672,772,315.28
  5. Step 5: Solve for x
    x = 1,672,772,315.28/58,511.20
  6. Step 6: Final answer
    x = 28,588.93

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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.