Home / 30,071.21-45,063.68-16,895.88

Finding the Fourth Proportional to 30,071.21, 45,063.68 and 16,895.88

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Solution

The fourth proportional to 30,071.21, 45,063.68 and 16,895.88 is: 25,319.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,071.21 : 45,063.68 = 16,895.88 : x
  2. Step 2: Convert to fraction form
    30,071.21/45,063.68 = 16,895.88/x
  3. Step 3: Cross multiply
    30,071.21x = 45,063.68 × 16,895.88
  4. Step 4: Simplify right side
    30,071.21x = 761,390,445.16
  5. Step 5: Solve for x
    x = 761,390,445.16/30,071.21
  6. Step 6: Final answer
    x = 25,319.59

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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.