Home / 43,345.46-65,038.80-30,038.92

Finding the Fourth Proportional to 43,345.46, 65,038.80 and 30,038.92

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Solution

The fourth proportional to 43,345.46, 65,038.80 and 30,038.92 is: 45,072.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,345.46 : 65,038.80 = 30,038.92 : x
  2. Step 2: Convert to fraction form
    43,345.46/65,038.80 = 30,038.92/x
  3. Step 3: Cross multiply
    43,345.46x = 65,038.80 × 30,038.92
  4. Step 4: Simplify right side
    43,345.46x = 1,953,694,984.90
  5. Step 5: Solve for x
    x = 1,953,694,984.90/43,345.46
  6. Step 6: Final answer
    x = 45,072.66

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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.