Home / 43,706.32-65,559.38-18,730.17

Finding the Fourth Proportional to 43,706.32, 65,559.38 and 18,730.17

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Solution

The fourth proportional to 43,706.32, 65,559.38 and 18,730.17 is: 28,095.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,706.32 : 65,559.38 = 18,730.17 : x
  2. Step 2: Convert to fraction form
    43,706.32/65,559.38 = 18,730.17/x
  3. Step 3: Cross multiply
    43,706.32x = 65,559.38 × 18,730.17
  4. Step 4: Simplify right side
    43,706.32x = 1,227,938,238.84
  5. Step 5: Solve for x
    x = 1,227,938,238.84/43,706.32
  6. Step 6: Final answer
    x = 28,095.21

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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.