Home / 38,746.09-53,475.24-21,757.36

Finding the Fourth Proportional to 38,746.09, 53,475.24 and 21,757.36

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Solution

The fourth proportional to 38,746.09, 53,475.24 and 21,757.36 is: 30,028.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,746.09 : 53,475.24 = 21,757.36 : x
  2. Step 2: Convert to fraction form
    38,746.09/53,475.24 = 21,757.36/x
  3. Step 3: Cross multiply
    38,746.09x = 53,475.24 × 21,757.36
  4. Step 4: Simplify right side
    38,746.09x = 1,163,480,047.77
  5. Step 5: Solve for x
    x = 1,163,480,047.77/38,746.09
  6. Step 6: Final answer
    x = 30,028.32

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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.