Home / 30,045.79-41,463.47-18,106.82

Finding the Fourth Proportional to 30,045.79, 41,463.47 and 18,106.82

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Solution

The fourth proportional to 30,045.79, 41,463.47 and 18,106.82 is: 24,987.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,045.79 : 41,463.47 = 18,106.82 : x
  2. Step 2: Convert to fraction form
    30,045.79/41,463.47 = 18,106.82/x
  3. Step 3: Cross multiply
    30,045.79x = 41,463.47 × 18,106.82
  4. Step 4: Simplify right side
    30,045.79x = 750,771,676.15
  5. Step 5: Solve for x
    x = 750,771,676.15/30,045.79
  6. Step 6: Final answer
    x = 24,987.58

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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.