Home / 31,350.44-47,013.80-12,624.12

Finding the Fourth Proportional to 31,350.44, 47,013.80 and 12,624.12

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Solution

The fourth proportional to 31,350.44, 47,013.80 and 12,624.12 is: 18,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,350.44 : 47,013.80 = 12,624.12 : x
  2. Step 2: Convert to fraction form
    31,350.44/47,013.80 = 12,624.12/x
  3. Step 3: Cross multiply
    31,350.44x = 47,013.80 × 12,624.12
  4. Step 4: Simplify right side
    31,350.44x = 593,507,852.86
  5. Step 5: Solve for x
    x = 593,507,852.86/31,350.44
  6. Step 6: Final answer
    x = 18,931.40

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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.