Home / 47,214.10-70,821.17-15,615.69

Finding the Fourth Proportional to 47,214.10, 70,821.17 and 15,615.69

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Solution

The fourth proportional to 47,214.10, 70,821.17 and 15,615.69 is: 23,423.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,214.10 : 70,821.17 = 15,615.69 : x
  2. Step 2: Convert to fraction form
    47,214.10/70,821.17 = 15,615.69/x
  3. Step 3: Cross multiply
    47,214.10x = 70,821.17 × 15,615.69
  4. Step 4: Simplify right side
    47,214.10x = 1,105,921,151.06
  5. Step 5: Solve for x
    x = 1,105,921,151.06/47,214.10
  6. Step 6: Final answer
    x = 23,423.53

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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.