Home / 46,412.18-69,607.11-21,428.22

Finding the Fourth Proportional to 46,412.18, 69,607.11 and 21,428.22

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Solution

The fourth proportional to 46,412.18, 69,607.11 and 21,428.22 is: 32,137.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,412.18 : 69,607.11 = 21,428.22 : x
  2. Step 2: Convert to fraction form
    46,412.18/69,607.11 = 21,428.22/x
  3. Step 3: Cross multiply
    46,412.18x = 69,607.11 × 21,428.22
  4. Step 4: Simplify right side
    46,412.18x = 1,491,556,466.64
  5. Step 5: Solve for x
    x = 1,491,556,466.64/46,412.18
  6. Step 6: Final answer
    x = 32,137.18

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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.