Home / 46,045.90-69,095.32-19,389.78

Finding the Fourth Proportional to 46,045.90, 69,095.32 and 19,389.78

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Solution

The fourth proportional to 46,045.90, 69,095.32 and 19,389.78 is: 29,095.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,045.90 : 69,095.32 = 19,389.78 : x
  2. Step 2: Convert to fraction form
    46,045.90/69,095.32 = 19,389.78/x
  3. Step 3: Cross multiply
    46,045.90x = 69,095.32 × 19,389.78
  4. Step 4: Simplify right side
    46,045.90x = 1,339,743,053.83
  5. Step 5: Solve for x
    x = 1,339,743,053.83/46,045.90
  6. Step 6: Final answer
    x = 29,095.82

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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.