Home / 43,108.84-59,519.46-31,779.64

Finding the Fourth Proportional to 43,108.84, 59,519.46 and 31,779.64

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Solution

The fourth proportional to 43,108.84, 59,519.46 and 31,779.64 is: 43,877.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,108.84 : 59,519.46 = 31,779.64 : x
  2. Step 2: Convert to fraction form
    43,108.84/59,519.46 = 31,779.64/x
  3. Step 3: Cross multiply
    43,108.84x = 59,519.46 × 31,779.64
  4. Step 4: Simplify right side
    43,108.84x = 1,891,507,011.79
  5. Step 5: Solve for x
    x = 1,891,507,011.79/43,108.84
  6. Step 6: Final answer
    x = 43,877.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.