Home / 31,415.04-47,018.88-27,959.04

Finding the Fourth Proportional to 31,415.04, 47,018.88 and 27,959.04

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Solution

The fourth proportional to 31,415.04, 47,018.88 and 27,959.04 is: 41,846.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,415.04 : 47,018.88 = 27,959.04 : x
  2. Step 2: Convert to fraction form
    31,415.04/47,018.88 = 27,959.04/x
  3. Step 3: Cross multiply
    31,415.04x = 47,018.88 × 27,959.04
  4. Step 4: Simplify right side
    31,415.04x = 1,314,602,746.68
  5. Step 5: Solve for x
    x = 1,314,602,746.68/31,415.04
  6. Step 6: Final answer
    x = 41,846.29

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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.