Home / 57,006.58-78,668.50-31,856.08

Finding the Fourth Proportional to 57,006.58, 78,668.50 and 31,856.08

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Solution

The fourth proportional to 57,006.58, 78,668.50 and 31,856.08 is: 43,961.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,006.58 : 78,668.50 = 31,856.08 : x
  2. Step 2: Convert to fraction form
    57,006.58/78,668.50 = 31,856.08/x
  3. Step 3: Cross multiply
    57,006.58x = 78,668.50 × 31,856.08
  4. Step 4: Simplify right side
    57,006.58x = 2,506,070,029.48
  5. Step 5: Solve for x
    x = 2,506,070,029.48/57,006.58
  6. Step 6: Final answer
    x = 43,961.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.