Home / 20,859.58-31,289.08-5,064.72

Finding the Fourth Proportional to 20,859.58, 31,289.08 and 5,064.72

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Solution

The fourth proportional to 20,859.58, 31,289.08 and 5,064.72 is: 7,597.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,859.58 : 31,289.08 = 5,064.72 : x
  2. Step 2: Convert to fraction form
    20,859.58/31,289.08 = 5,064.72/x
  3. Step 3: Cross multiply
    20,859.58x = 31,289.08 × 5,064.72
  4. Step 4: Simplify right side
    20,859.58x = 158,470,429.26
  5. Step 5: Solve for x
    x = 158,470,429.26/20,859.58
  6. Step 6: Final answer
    x = 7,597.01

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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.