Home / 31,300.05-46,957.78-9,113.64

Finding the Fourth Proportional to 31,300.05, 46,957.78 and 9,113.64

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Solution

The fourth proportional to 31,300.05, 46,957.78 and 9,113.64 is: 13,672.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,300.05 : 46,957.78 = 9,113.64 : x
  2. Step 2: Convert to fraction form
    31,300.05/46,957.78 = 9,113.64/x
  3. Step 3: Cross multiply
    31,300.05x = 46,957.78 × 9,113.64
  4. Step 4: Simplify right side
    31,300.05x = 427,956,137.42
  5. Step 5: Solve for x
    x = 427,956,137.42/31,300.05
  6. Step 6: Final answer
    x = 13,672.70

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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.