Home / 31,758.14-47,603.84-10,690.86

Finding the Fourth Proportional to 31,758.14, 47,603.84 and 10,690.86

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Solution

The fourth proportional to 31,758.14, 47,603.84 and 10,690.86 is: 16,025.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,758.14 : 47,603.84 = 10,690.86 : x
  2. Step 2: Convert to fraction form
    31,758.14/47,603.84 = 10,690.86/x
  3. Step 3: Cross multiply
    31,758.14x = 47,603.84 × 10,690.86
  4. Step 4: Simplify right side
    31,758.14x = 508,925,935.45
  5. Step 5: Solve for x
    x = 508,925,935.45/31,758.14
  6. Step 6: Final answer
    x = 16,025.06

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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.