Home / 46,415.08-69,559.71-21,400.12

Finding the Fourth Proportional to 46,415.08, 69,559.71 and 21,400.12

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Solution

The fourth proportional to 46,415.08, 69,559.71 and 21,400.12 is: 32,071.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,415.08 : 69,559.71 = 21,400.12 : x
  2. Step 2: Convert to fraction form
    46,415.08/69,559.71 = 21,400.12/x
  3. Step 3: Cross multiply
    46,415.08x = 69,559.71 × 21,400.12
  4. Step 4: Simplify right side
    46,415.08x = 1,488,586,141.17
  5. Step 5: Solve for x
    x = 1,488,586,141.17/46,415.08
  6. Step 6: Final answer
    x = 32,071.17

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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.