Home / 30,203.52-41,681.76-18,269.04

Finding the Fourth Proportional to 30,203.52, 41,681.76 and 18,269.04

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Solution

The fourth proportional to 30,203.52, 41,681.76 and 18,269.04 is: 25,211.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,203.52 : 41,681.76 = 18,269.04 : x
  2. Step 2: Convert to fraction form
    30,203.52/41,681.76 = 18,269.04/x
  3. Step 3: Cross multiply
    30,203.52x = 41,681.76 × 18,269.04
  4. Step 4: Simplify right side
    30,203.52x = 761,485,740.71
  5. Step 5: Solve for x
    x = 761,485,740.71/30,203.52
  6. Step 6: Final answer
    x = 25,211.82

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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.