Home / 36,045.93-54,045.57-15,000.45

Finding the Fourth Proportional to 36,045.93, 54,045.57 and 15,000.45

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Solution

The fourth proportional to 36,045.93, 54,045.57 and 15,000.45 is: 22,490.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,045.93 : 54,045.57 = 15,000.45 : x
  2. Step 2: Convert to fraction form
    36,045.93/54,045.57 = 15,000.45/x
  3. Step 3: Cross multiply
    36,045.93x = 54,045.57 × 15,000.45
  4. Step 4: Simplify right side
    36,045.93x = 810,707,870.51
  5. Step 5: Solve for x
    x = 810,707,870.51/36,045.93
  6. Step 6: Final answer
    x = 22,490.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.