Home / 31,653.60-47,473.92-10,878.72

Finding the Fourth Proportional to 31,653.60, 47,473.92 and 10,878.72

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Solution

The fourth proportional to 31,653.60, 47,473.92 and 10,878.72 is: 16,315.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,653.60 : 47,473.92 = 10,878.72 : x
  2. Step 2: Convert to fraction form
    31,653.60/47,473.92 = 10,878.72/x
  3. Step 3: Cross multiply
    31,653.60x = 47,473.92 × 10,878.72
  4. Step 4: Simplify right side
    31,653.60x = 516,455,482.98
  5. Step 5: Solve for x
    x = 516,455,482.98/31,653.60
  6. Step 6: Final answer
    x = 16,315.85

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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.