Home / 31,944.64-47,924.80-9,758.40

Finding the Fourth Proportional to 31,944.64, 47,924.80 and 9,758.40

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Solution

The fourth proportional to 31,944.64, 47,924.80 and 9,758.40 is: 14,639.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,944.64 : 47,924.80 = 9,758.40 : x
  2. Step 2: Convert to fraction form
    31,944.64/47,924.80 = 9,758.40/x
  3. Step 3: Cross multiply
    31,944.64x = 47,924.80 × 9,758.40
  4. Step 4: Simplify right side
    31,944.64x = 467,669,368.32
  5. Step 5: Solve for x
    x = 467,669,368.32/31,944.64
  6. Step 6: Final answer
    x = 14,639.99

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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.