Home / 38,031.04-52,485.60-21,262.96

Finding the Fourth Proportional to 38,031.04, 52,485.60 and 21,262.96

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Solution

The fourth proportional to 38,031.04, 52,485.60 and 21,262.96 is: 29,344.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,031.04 : 52,485.60 = 21,262.96 : x
  2. Step 2: Convert to fraction form
    38,031.04/52,485.60 = 21,262.96/x
  3. Step 3: Cross multiply
    38,031.04x = 52,485.60 × 21,262.96
  4. Step 4: Simplify right side
    38,031.04x = 1,115,999,213.38
  5. Step 5: Solve for x
    x = 1,115,999,213.38/38,031.04
  6. Step 6: Final answer
    x = 29,344.43

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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.