Home / 38,133.01-52,622.91-20,905.26

Finding the Fourth Proportional to 38,133.01, 52,622.91 and 20,905.26

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Solution

The fourth proportional to 38,133.01, 52,622.91 and 20,905.26 is: 28,848.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,133.01 : 52,622.91 = 20,905.26 : x
  2. Step 2: Convert to fraction form
    38,133.01/52,622.91 = 20,905.26/x
  3. Step 3: Cross multiply
    38,133.01x = 52,622.91 × 20,905.26
  4. Step 4: Simplify right side
    38,133.01x = 1,100,095,615.51
  5. Step 5: Solve for x
    x = 1,100,095,615.51/38,133.01
  6. Step 6: Final answer
    x = 28,848.91

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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.