Home / 38,947.08-53,743.86-23,032.20

Finding the Fourth Proportional to 38,947.08, 53,743.86 and 23,032.20

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Solution

The fourth proportional to 38,947.08, 53,743.86 and 23,032.20 is: 31,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,947.08 : 53,743.86 = 23,032.20 : x
  2. Step 2: Convert to fraction form
    38,947.08/53,743.86 = 23,032.20/x
  3. Step 3: Cross multiply
    38,947.08x = 53,743.86 × 23,032.20
  4. Step 4: Simplify right side
    38,947.08x = 1,237,839,332.29
  5. Step 5: Solve for x
    x = 1,237,839,332.29/38,947.08
  6. Step 6: Final answer
    x = 31,782.60

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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.