Home / 20,322.39-30,482.98-5,530.83

Finding the Fourth Proportional to 20,322.39, 30,482.98 and 5,530.83

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Solution

The fourth proportional to 20,322.39, 30,482.98 and 5,530.83 is: 8,296.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,322.39 : 30,482.98 = 5,530.83 : x
  2. Step 2: Convert to fraction form
    20,322.39/30,482.98 = 5,530.83/x
  3. Step 3: Cross multiply
    20,322.39x = 30,482.98 × 5,530.83
  4. Step 4: Simplify right side
    20,322.39x = 168,596,254.71
  5. Step 5: Solve for x
    x = 168,596,254.71/20,322.39
  6. Step 6: Final answer
    x = 8,296.08

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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.