Home / 46,109.80-69,153.78-21,134.26

Finding the Fourth Proportional to 46,109.80, 69,153.78 and 21,134.26

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Solution

The fourth proportional to 46,109.80, 69,153.78 and 21,134.26 is: 31,696.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,109.80 : 69,153.78 = 21,134.26 : x
  2. Step 2: Convert to fraction form
    46,109.80/69,153.78 = 21,134.26/x
  3. Step 3: Cross multiply
    46,109.80x = 69,153.78 × 21,134.26
  4. Step 4: Simplify right side
    46,109.80x = 1,461,513,966.50
  5. Step 5: Solve for x
    x = 1,461,513,966.50/46,109.80
  6. Step 6: Final answer
    x = 31,696.38

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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.