Home / 47,012.06-70,511.16-13,723.19

Finding the Fourth Proportional to 47,012.06, 70,511.16 and 13,723.19

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Solution

The fourth proportional to 47,012.06, 70,511.16 and 13,723.19 is: 20,582.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,012.06 : 70,511.16 = 13,723.19 : x
  2. Step 2: Convert to fraction form
    47,012.06/70,511.16 = 13,723.19/x
  3. Step 3: Cross multiply
    47,012.06x = 70,511.16 × 13,723.19
  4. Step 4: Simplify right side
    47,012.06x = 967,638,045.80
  5. Step 5: Solve for x
    x = 967,638,045.80/47,012.06
  6. Step 6: Final answer
    x = 20,582.76

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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.