Home / 31,852.06-47,799.62-12,130.10

Finding the Fourth Proportional to 31,852.06, 47,799.62 and 12,130.10

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Solution

The fourth proportional to 31,852.06, 47,799.62 and 12,130.10 is: 18,203.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,852.06 : 47,799.62 = 12,130.10 : x
  2. Step 2: Convert to fraction form
    31,852.06/47,799.62 = 12,130.10/x
  3. Step 3: Cross multiply
    31,852.06x = 47,799.62 × 12,130.10
  4. Step 4: Simplify right side
    31,852.06x = 579,814,364.52
  5. Step 5: Solve for x
    x = 579,814,364.52/31,852.06
  6. Step 6: Final answer
    x = 18,203.36

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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.