Home / 46,462.19-69,685.07-21,155.90

Finding the Fourth Proportional to 46,462.19, 69,685.07 and 21,155.90

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Solution

The fourth proportional to 46,462.19, 69,685.07 and 21,155.90 is: 31,730.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,462.19 : 69,685.07 = 21,155.90 : x
  2. Step 2: Convert to fraction form
    46,462.19/69,685.07 = 21,155.90/x
  3. Step 3: Cross multiply
    46,462.19x = 69,685.07 × 21,155.90
  4. Step 4: Simplify right side
    46,462.19x = 1,474,249,918.21
  5. Step 5: Solve for x
    x = 1,474,249,918.21/46,462.19
  6. Step 6: Final answer
    x = 31,730.10

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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.