Home / 51,714.36-71,368.86-38,945.03

Finding the Fourth Proportional to 51,714.36, 71,368.86 and 38,945.03

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Solution

The fourth proportional to 51,714.36, 71,368.86 and 38,945.03 is: 53,746.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,714.36 : 71,368.86 = 38,945.03 : x
  2. Step 2: Convert to fraction form
    51,714.36/71,368.86 = 38,945.03/x
  3. Step 3: Cross multiply
    51,714.36x = 71,368.86 × 38,945.03
  4. Step 4: Simplify right side
    51,714.36x = 2,779,462,036.92
  5. Step 5: Solve for x
    x = 2,779,462,036.92/51,714.36
  6. Step 6: Final answer
    x = 53,746.43

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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.