Home / 38,634.58-57,973.63-20,864.98

Finding the Fourth Proportional to 38,634.58, 57,973.63 and 20,864.98

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Solution

The fourth proportional to 38,634.58, 57,973.63 and 20,864.98 is: 31,309.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,634.58 : 57,973.63 = 20,864.98 : x
  2. Step 2: Convert to fraction form
    38,634.58/57,973.63 = 20,864.98/x
  3. Step 3: Cross multiply
    38,634.58x = 57,973.63 × 20,864.98
  4. Step 4: Simplify right side
    38,634.58x = 1,209,618,630.48
  5. Step 5: Solve for x
    x = 1,209,618,630.48/38,634.58
  6. Step 6: Final answer
    x = 31,309.22

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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.