Home / 43,341.07-64,975.13-21,142.99

Finding the Fourth Proportional to 43,341.07, 64,975.13 and 21,142.99

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Solution

The fourth proportional to 43,341.07, 64,975.13 and 21,142.99 is: 31,696.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,341.07 : 64,975.13 = 21,142.99 : x
  2. Step 2: Convert to fraction form
    43,341.07/64,975.13 = 21,142.99/x
  3. Step 3: Cross multiply
    43,341.07x = 64,975.13 × 21,142.99
  4. Step 4: Simplify right side
    43,341.07x = 1,373,768,418.12
  5. Step 5: Solve for x
    x = 1,373,768,418.12/43,341.07
  6. Step 6: Final answer
    x = 31,696.69

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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.