Home / 58,080.89-80,176.09-39,243.53

Finding the Fourth Proportional to 58,080.89, 80,176.09 and 39,243.53

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Solution

The fourth proportional to 58,080.89, 80,176.09 and 39,243.53 is: 54,172.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,080.89 : 80,176.09 = 39,243.53 : x
  2. Step 2: Convert to fraction form
    58,080.89/80,176.09 = 39,243.53/x
  3. Step 3: Cross multiply
    58,080.89x = 80,176.09 × 39,243.53
  4. Step 4: Simplify right side
    58,080.89x = 3,146,392,294.21
  5. Step 5: Solve for x
    x = 3,146,392,294.21/58,080.89
  6. Step 6: Final answer
    x = 54,172.60

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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.