Home / 30,754.65-46,123.47-12,030.90

Finding the Fourth Proportional to 30,754.65, 46,123.47 and 12,030.90

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Solution

The fourth proportional to 30,754.65, 46,123.47 and 12,030.90 is: 18,043.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,754.65 : 46,123.47 = 12,030.90 : x
  2. Step 2: Convert to fraction form
    30,754.65/46,123.47 = 12,030.90/x
  3. Step 3: Cross multiply
    30,754.65x = 46,123.47 × 12,030.90
  4. Step 4: Simplify right side
    30,754.65x = 554,906,855.22
  5. Step 5: Solve for x
    x = 554,906,855.22/30,754.65
  6. Step 6: Final answer
    x = 18,043.02

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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.