Home / 38,070.71-57,109.86-13,107.45

Finding the Fourth Proportional to 38,070.71, 57,109.86 and 13,107.45

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Solution

The fourth proportional to 38,070.71, 57,109.86 and 13,107.45 is: 19,662.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,070.71 : 57,109.86 = 13,107.45 : x
  2. Step 2: Convert to fraction form
    38,070.71/57,109.86 = 13,107.45/x
  3. Step 3: Cross multiply
    38,070.71x = 57,109.86 × 13,107.45
  4. Step 4: Simplify right side
    38,070.71x = 748,564,634.46
  5. Step 5: Solve for x
    x = 748,564,634.46/38,070.71
  6. Step 6: Final answer
    x = 19,662.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.