Home / 20,050.47-30,085.94-13,391.51

Finding the Fourth Proportional to 20,050.47, 30,085.94 and 13,391.51

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Solution

The fourth proportional to 20,050.47, 30,085.94 and 13,391.51 is: 20,094.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,050.47 : 30,085.94 = 13,391.51 : x
  2. Step 2: Convert to fraction form
    20,050.47/30,085.94 = 13,391.51/x
  3. Step 3: Cross multiply
    20,050.47x = 30,085.94 × 13,391.51
  4. Step 4: Simplify right side
    20,050.47x = 402,896,049.42
  5. Step 5: Solve for x
    x = 402,896,049.42/20,050.47
  6. Step 6: Final answer
    x = 20,094.10

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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.