Home / 43,438.60-59,892.78-29,988.55

Finding the Fourth Proportional to 43,438.60, 59,892.78 and 29,988.55

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Solution

The fourth proportional to 43,438.60, 59,892.78 and 29,988.55 is: 41,347.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,438.60 : 59,892.78 = 29,988.55 : x
  2. Step 2: Convert to fraction form
    43,438.60/59,892.78 = 29,988.55/x
  3. Step 3: Cross multiply
    43,438.60x = 59,892.78 × 29,988.55
  4. Step 4: Simplify right side
    43,438.60x = 1,796,097,627.67
  5. Step 5: Solve for x
    x = 1,796,097,627.67/43,438.60
  6. Step 6: Final answer
    x = 41,347.96

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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.