Home / 31,592.36-47,386.92-11,869.40

Finding the Fourth Proportional to 31,592.36, 47,386.92 and 11,869.40

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Solution

The fourth proportional to 31,592.36, 47,386.92 and 11,869.40 is: 17,803.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,592.36 : 47,386.92 = 11,869.40 : x
  2. Step 2: Convert to fraction form
    31,592.36/47,386.92 = 11,869.40/x
  3. Step 3: Cross multiply
    31,592.36x = 47,386.92 × 11,869.40
  4. Step 4: Simplify right side
    31,592.36x = 562,454,308.25
  5. Step 5: Solve for x
    x = 562,454,308.25/31,592.36
  6. Step 6: Final answer
    x = 17,803.49

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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.