Home / 34,727.15-47,920.63-19,621.13

Finding the Fourth Proportional to 34,727.15, 47,920.63 and 19,621.13

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Solution

The fourth proportional to 34,727.15, 47,920.63 and 19,621.13 is: 27,075.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,727.15 : 47,920.63 = 19,621.13 : x
  2. Step 2: Convert to fraction form
    34,727.15/47,920.63 = 19,621.13/x
  3. Step 3: Cross multiply
    34,727.15x = 47,920.63 × 19,621.13
  4. Step 4: Simplify right side
    34,727.15x = 940,256,910.91
  5. Step 5: Solve for x
    x = 940,256,910.91/34,727.15
  6. Step 6: Final answer
    x = 27,075.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.