Home / 38,791.04-53,563.20-31,622.08

Finding the Fourth Proportional to 38,791.04, 53,563.20 and 31,622.08

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Solution

The fourth proportional to 38,791.04, 53,563.20 and 31,622.08 is: 43,664.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,791.04 : 53,563.20 = 31,622.08 : x
  2. Step 2: Convert to fraction form
    38,791.04/53,563.20 = 31,622.08/x
  3. Step 3: Cross multiply
    38,791.04x = 53,563.20 × 31,622.08
  4. Step 4: Simplify right side
    38,791.04x = 1,693,779,795.46
  5. Step 5: Solve for x
    x = 1,693,779,795.46/38,791.04
  6. Step 6: Final answer
    x = 43,664.20

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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.