Home / 31,461.36-47,200.21-11,740.07

Finding the Fourth Proportional to 31,461.36, 47,200.21 and 11,740.07

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Solution

The fourth proportional to 31,461.36, 47,200.21 and 11,740.07 is: 17,613.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,461.36 : 47,200.21 = 11,740.07 : x
  2. Step 2: Convert to fraction form
    31,461.36/47,200.21 = 11,740.07/x
  3. Step 3: Cross multiply
    31,461.36x = 47,200.21 × 11,740.07
  4. Step 4: Simplify right side
    31,461.36x = 554,133,474.71
  5. Step 5: Solve for x
    x = 554,133,474.71/31,461.36
  6. Step 6: Final answer
    x = 17,613.14

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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.