Home / 46,390.08-69,577.08-21,428.04

Finding the Fourth Proportional to 46,390.08, 69,577.08 and 21,428.04

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Solution

The fourth proportional to 46,390.08, 69,577.08 and 21,428.04 is: 32,138.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,390.08 : 69,577.08 = 21,428.04 : x
  2. Step 2: Convert to fraction form
    46,390.08/69,577.08 = 21,428.04/x
  3. Step 3: Cross multiply
    46,390.08x = 69,577.08 × 21,428.04
  4. Step 4: Simplify right side
    46,390.08x = 1,490,900,453.32
  5. Step 5: Solve for x
    x = 1,490,900,453.32/46,390.08
  6. Step 6: Final answer
    x = 32,138.35

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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.