Home / 23,699.40-35,570.70-20,416.20

Finding the Fourth Proportional to 23,699.40, 35,570.70 and 20,416.20

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Solution

The fourth proportional to 23,699.40, 35,570.70 and 20,416.20 is: 30,642.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,699.40 : 35,570.70 = 20,416.20 : x
  2. Step 2: Convert to fraction form
    23,699.40/35,570.70 = 20,416.20/x
  3. Step 3: Cross multiply
    23,699.40x = 35,570.70 × 20,416.20
  4. Step 4: Simplify right side
    23,699.40x = 726,218,525.34
  5. Step 5: Solve for x
    x = 726,218,525.34/23,699.40
  6. Step 6: Final answer
    x = 30,642.91

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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.