Home / 49,460.40-68,279.00-28,235.57

Finding the Fourth Proportional to 49,460.40, 68,279.00 and 28,235.57

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Solution

The fourth proportional to 49,460.40, 68,279.00 and 28,235.57 is: 38,978.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,460.40 : 68,279.00 = 28,235.57 : x
  2. Step 2: Convert to fraction form
    49,460.40/68,279.00 = 28,235.57/x
  3. Step 3: Cross multiply
    49,460.40x = 68,279.00 × 28,235.57
  4. Step 4: Simplify right side
    49,460.40x = 1,927,896,001.46
  5. Step 5: Solve for x
    x = 1,927,896,001.46/49,460.40
  6. Step 6: Final answer
    x = 38,978.58

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1.5x scale

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.