Home / 47,609.28-71,313.12-30,070.08

Finding the Fourth Proportional to 47,609.28, 71,313.12 and 30,070.08

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Solution

The fourth proportional to 47,609.28, 71,313.12 and 30,070.08 is: 45,041.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,609.28 : 71,313.12 = 30,070.08 : x
  2. Step 2: Convert to fraction form
    47,609.28/71,313.12 = 30,070.08/x
  3. Step 3: Cross multiply
    47,609.28x = 71,313.12 × 30,070.08
  4. Step 4: Simplify right side
    47,609.28x = 2,144,391,223.45
  5. Step 5: Solve for x
    x = 2,144,391,223.45/47,609.28
  6. Step 6: Final answer
    x = 45,041.45

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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.