Home / 30,203.72-41,681.15-17,628.47

Finding the Fourth Proportional to 30,203.72, 41,681.15 and 17,628.47

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Solution

The fourth proportional to 30,203.72, 41,681.15 and 17,628.47 is: 24,327.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,203.72 : 41,681.15 = 17,628.47 : x
  2. Step 2: Convert to fraction form
    30,203.72/41,681.15 = 17,628.47/x
  3. Step 3: Cross multiply
    30,203.72x = 41,681.15 × 17,628.47
  4. Step 4: Simplify right side
    30,203.72x = 734,774,828.20
  5. Step 5: Solve for x
    x = 734,774,828.20/30,203.72
  6. Step 6: Final answer
    x = 24,327.30

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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.