Home / 30,501.30-45,742.23-15,708.27

Finding the Fourth Proportional to 30,501.30, 45,742.23 and 15,708.27

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Solution

The fourth proportional to 30,501.30, 45,742.23 and 15,708.27 is: 23,557.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,501.30 : 45,742.23 = 15,708.27 : x
  2. Step 2: Convert to fraction form
    30,501.30/45,742.23 = 15,708.27/x
  3. Step 3: Cross multiply
    30,501.30x = 45,742.23 × 15,708.27
  4. Step 4: Simplify right side
    30,501.30x = 718,531,299.24
  5. Step 5: Solve for x
    x = 718,531,299.24/30,501.30
  6. Step 6: Final answer
    x = 23,557.40

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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.