Home / 31,379.60-47,068.44-10,601.36

Finding the Fourth Proportional to 31,379.60, 47,068.44 and 10,601.36

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Solution

The fourth proportional to 31,379.60, 47,068.44 and 10,601.36 is: 15,901.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,379.60 : 47,068.44 = 10,601.36 : x
  2. Step 2: Convert to fraction form
    31,379.60/47,068.44 = 10,601.36/x
  3. Step 3: Cross multiply
    31,379.60x = 47,068.44 × 10,601.36
  4. Step 4: Simplify right side
    31,379.60x = 498,989,477.08
  5. Step 5: Solve for x
    x = 498,989,477.08/31,379.60
  6. Step 6: Final answer
    x = 15,901.72

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1.5x scale

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.