Home / 38,570.12-53,277.58-29,602.20

Finding the Fourth Proportional to 38,570.12, 53,277.58 and 29,602.20

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Solution

The fourth proportional to 38,570.12, 53,277.58 and 29,602.20 is: 40,890.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,570.12 : 53,277.58 = 29,602.20 : x
  2. Step 2: Convert to fraction form
    38,570.12/53,277.58 = 29,602.20/x
  3. Step 3: Cross multiply
    38,570.12x = 53,277.58 × 29,602.20
  4. Step 4: Simplify right side
    38,570.12x = 1,577,133,815.47
  5. Step 5: Solve for x
    x = 1,577,133,815.47/38,570.12
  6. Step 6: Final answer
    x = 40,890.04

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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.