Home / 30,385.36-41,932.80-17,637.52

Finding the Fourth Proportional to 30,385.36, 41,932.80 and 17,637.52

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Solution

The fourth proportional to 30,385.36, 41,932.80 and 17,637.52 is: 24,340.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,385.36 : 41,932.80 = 17,637.52 : x
  2. Step 2: Convert to fraction form
    30,385.36/41,932.80 = 17,637.52/x
  3. Step 3: Cross multiply
    30,385.36x = 41,932.80 × 17,637.52
  4. Step 4: Simplify right side
    30,385.36x = 739,590,598.66
  5. Step 5: Solve for x
    x = 739,590,598.66/30,385.36
  6. Step 6: Final answer
    x = 24,340.36

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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.