Home / 58,558.47-87,819.57-21,113.72

Finding the Fourth Proportional to 58,558.47, 87,819.57 and 21,113.72

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Solution

The fourth proportional to 58,558.47, 87,819.57 and 21,113.72 is: 31,664.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,558.47 : 87,819.57 = 21,113.72 : x
  2. Step 2: Convert to fraction form
    58,558.47/87,819.57 = 21,113.72/x
  3. Step 3: Cross multiply
    58,558.47x = 87,819.57 × 21,113.72
  4. Step 4: Simplify right side
    58,558.47x = 1,854,197,811.50
  5. Step 5: Solve for x
    x = 1,854,197,811.50/58,558.47
  6. Step 6: Final answer
    x = 31,664.04

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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.