Home / 30,447.22-45,699.30-15,465.05

Finding the Fourth Proportional to 30,447.22, 45,699.30 and 15,465.05

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Solution

The fourth proportional to 30,447.22, 45,699.30 and 15,465.05 is: 23,212.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,447.22 : 45,699.30 = 15,465.05 : x
  2. Step 2: Convert to fraction form
    30,447.22/45,699.30 = 15,465.05/x
  3. Step 3: Cross multiply
    30,447.22x = 45,699.30 × 15,465.05
  4. Step 4: Simplify right side
    30,447.22x = 706,742,073.71
  5. Step 5: Solve for x
    x = 706,742,073.71/30,447.22
  6. Step 6: Final answer
    x = 23,212.04

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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.