Home / 31,547.14-47,329.83-10,199.40

Finding the Fourth Proportional to 31,547.14, 47,329.83 and 10,199.40

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Solution

The fourth proportional to 31,547.14, 47,329.83 and 10,199.40 is: 15,302.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,547.14 : 47,329.83 = 10,199.40 : x
  2. Step 2: Convert to fraction form
    31,547.14/47,329.83 = 10,199.40/x
  3. Step 3: Cross multiply
    31,547.14x = 47,329.83 × 10,199.40
  4. Step 4: Simplify right side
    31,547.14x = 482,735,868.10
  5. Step 5: Solve for x
    x = 482,735,868.10/31,547.14
  6. Step 6: Final answer
    x = 15,302.05

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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.