Home / 43,810.76-65,762.92-18,863.16

Finding the Fourth Proportional to 43,810.76, 65,762.92 and 18,863.16

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Solution

The fourth proportional to 43,810.76, 65,762.92 and 18,863.16 is: 28,314.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,810.76 : 65,762.92 = 18,863.16 : x
  2. Step 2: Convert to fraction form
    43,810.76/65,762.92 = 18,863.16/x
  3. Step 3: Cross multiply
    43,810.76x = 65,762.92 × 18,863.16
  4. Step 4: Simplify right side
    43,810.76x = 1,240,496,482.03
  5. Step 5: Solve for x
    x = 1,240,496,482.03/43,810.76
  6. Step 6: Final answer
    x = 28,314.88

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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.