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Finding the Fourth Proportional to 30,316.58, 45,457.22 and 11,597.90

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Solution

The fourth proportional to 30,316.58, 45,457.22 and 11,597.90 is: 17,390.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,316.58 : 45,457.22 = 11,597.90 : x
  2. Step 2: Convert to fraction form
    30,316.58/45,457.22 = 11,597.90/x
  3. Step 3: Cross multiply
    30,316.58x = 45,457.22 × 11,597.90
  4. Step 4: Simplify right side
    30,316.58x = 527,208,284.01
  5. Step 5: Solve for x
    x = 527,208,284.01/30,316.58
  6. Step 6: Final answer
    x = 17,390.10

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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.