Home / 54,562.49-75,271.48-39,431.19

Finding the Fourth Proportional to 54,562.49, 75,271.48 and 39,431.19

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Solution

The fourth proportional to 54,562.49, 75,271.48 and 39,431.19 is: 54,397.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,562.49 : 75,271.48 = 39,431.19 : x
  2. Step 2: Convert to fraction form
    54,562.49/75,271.48 = 39,431.19/x
  3. Step 3: Cross multiply
    54,562.49x = 75,271.48 × 39,431.19
  4. Step 4: Simplify right side
    54,562.49x = 2,968,044,029.46
  5. Step 5: Solve for x
    x = 2,968,044,029.46/54,562.49
  6. Step 6: Final answer
    x = 54,397.15

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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.