Home / 46,020.28-69,030.51-12,740.44

Finding the Fourth Proportional to 46,020.28, 69,030.51 and 12,740.44

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Solution

The fourth proportional to 46,020.28, 69,030.51 and 12,740.44 is: 19,110.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,020.28 : 69,030.51 = 12,740.44 : x
  2. Step 2: Convert to fraction form
    46,020.28/69,030.51 = 12,740.44/x
  3. Step 3: Cross multiply
    46,020.28x = 69,030.51 × 12,740.44
  4. Step 4: Simplify right side
    46,020.28x = 879,479,070.82
  5. Step 5: Solve for x
    x = 879,479,070.82/46,020.28
  6. Step 6: Final answer
    x = 19,110.68

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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.