Home / 31,418.09-43,312.34-24,988.31

Finding the Fourth Proportional to 31,418.09, 43,312.34 and 24,988.31

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Solution

The fourth proportional to 31,418.09, 43,312.34 and 24,988.31 is: 34,448.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,418.09 : 43,312.34 = 24,988.31 : x
  2. Step 2: Convert to fraction form
    31,418.09/43,312.34 = 24,988.31/x
  3. Step 3: Cross multiply
    31,418.09x = 43,312.34 × 24,988.31
  4. Step 4: Simplify right side
    31,418.09x = 1,082,302,024.65
  5. Step 5: Solve for x
    x = 1,082,302,024.65/31,418.09
  6. Step 6: Final answer
    x = 34,448.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.