Home / 37,045.16-51,120.36-20,274.92

Finding the Fourth Proportional to 37,045.16, 51,120.36 and 20,274.92

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Solution

The fourth proportional to 37,045.16, 51,120.36 and 20,274.92 is: 27,978.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,045.16 : 51,120.36 = 20,274.92 : x
  2. Step 2: Convert to fraction form
    37,045.16/51,120.36 = 20,274.92/x
  3. Step 3: Cross multiply
    37,045.16x = 51,120.36 × 20,274.92
  4. Step 4: Simplify right side
    37,045.16x = 1,036,461,209.37
  5. Step 5: Solve for x
    x = 1,036,461,209.37/37,045.16
  6. Step 6: Final answer
    x = 27,978.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.