Home / 38,078.07-52,547.73-21,311.07

Finding the Fourth Proportional to 38,078.07, 52,547.73 and 21,311.07

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Solution

The fourth proportional to 38,078.07, 52,547.73 and 21,311.07 is: 29,409.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,078.07 : 52,547.73 = 21,311.07 : x
  2. Step 2: Convert to fraction form
    38,078.07/52,547.73 = 21,311.07/x
  3. Step 3: Cross multiply
    38,078.07x = 52,547.73 × 21,311.07
  4. Step 4: Simplify right side
    38,078.07x = 1,119,848,352.37
  5. Step 5: Solve for x
    x = 1,119,848,352.37/38,078.07
  6. Step 6: Final answer
    x = 29,409.27

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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.