Home / 38,339.01-52,904.21-21,570.93

Finding the Fourth Proportional to 38,339.01, 52,904.21 and 21,570.93

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Solution

The fourth proportional to 38,339.01, 52,904.21 and 21,570.93 is: 29,765.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,339.01 : 52,904.21 = 21,570.93 : x
  2. Step 2: Convert to fraction form
    38,339.01/52,904.21 = 21,570.93/x
  3. Step 3: Cross multiply
    38,339.01x = 52,904.21 × 21,570.93
  4. Step 4: Simplify right side
    38,339.01x = 1,141,192,902.76
  5. Step 5: Solve for x
    x = 1,141,192,902.76/38,339.01
  6. Step 6: Final answer
    x = 29,765.84

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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.