Home / 38,346.36-52,918.52-21,351.35

Finding the Fourth Proportional to 38,346.36, 52,918.52 and 21,351.35

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Solution

The fourth proportional to 38,346.36, 52,918.52 and 21,351.35 is: 29,465.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,346.36 : 52,918.52 = 21,351.35 : x
  2. Step 2: Convert to fraction form
    38,346.36/52,918.52 = 21,351.35/x
  3. Step 3: Cross multiply
    38,346.36x = 52,918.52 × 21,351.35
  4. Step 4: Simplify right side
    38,346.36x = 1,129,881,470.65
  5. Step 5: Solve for x
    x = 1,129,881,470.65/38,346.36
  6. Step 6: Final answer
    x = 29,465.16

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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.