Home / 38,694.48-53,429.08-31,116.52

Finding the Fourth Proportional to 38,694.48, 53,429.08 and 31,116.52

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Solution

The fourth proportional to 38,694.48, 53,429.08 and 31,116.52 is: 42,965.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,694.48 : 53,429.08 = 31,116.52 : x
  2. Step 2: Convert to fraction form
    38,694.48/53,429.08 = 31,116.52/x
  3. Step 3: Cross multiply
    38,694.48x = 53,429.08 × 31,116.52
  4. Step 4: Simplify right side
    38,694.48x = 1,662,527,036.40
  5. Step 5: Solve for x
    x = 1,662,527,036.40/38,694.48
  6. Step 6: Final answer
    x = 42,965.48

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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.