Home / 31,269.60-46,942.80-15,698.40

Finding the Fourth Proportional to 31,269.60, 46,942.80 and 15,698.40

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Solution

The fourth proportional to 31,269.60, 46,942.80 and 15,698.40 is: 23,566.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,269.60 : 46,942.80 = 15,698.40 : x
  2. Step 2: Convert to fraction form
    31,269.60/46,942.80 = 15,698.40/x
  3. Step 3: Cross multiply
    31,269.60x = 46,942.80 × 15,698.40
  4. Step 4: Simplify right side
    31,269.60x = 736,926,851.52
  5. Step 5: Solve for x
    x = 736,926,851.52/31,269.60
  6. Step 6: Final answer
    x = 23,566.88

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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.