Home / 43,478.35-65,226.78-15,017.98

Finding the Fourth Proportional to 43,478.35, 65,226.78 and 15,017.98

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Solution

The fourth proportional to 43,478.35, 65,226.78 and 15,017.98 is: 22,530.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,478.35 : 65,226.78 = 15,017.98 : x
  2. Step 2: Convert to fraction form
    43,478.35/65,226.78 = 15,017.98/x
  3. Step 3: Cross multiply
    43,478.35x = 65,226.78 × 15,017.98
  4. Step 4: Simplify right side
    43,478.35x = 979,574,477.50
  5. Step 5: Solve for x
    x = 979,574,477.50/43,478.35
  6. Step 6: Final answer
    x = 22,530.17

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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.