Home / 42,289.33-58,436.26-40,239.63

Finding the Fourth Proportional to 42,289.33, 58,436.26 and 40,239.63

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Solution

The fourth proportional to 42,289.33, 58,436.26 and 40,239.63 is: 55,603.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,289.33 : 58,436.26 = 40,239.63 : x
  2. Step 2: Convert to fraction form
    42,289.33/58,436.26 = 40,239.63/x
  3. Step 3: Cross multiply
    42,289.33x = 58,436.26 × 40,239.63
  4. Step 4: Simplify right side
    42,289.33x = 2,351,453,480.98
  5. Step 5: Solve for x
    x = 2,351,453,480.98/42,289.33
  6. Step 6: Final answer
    x = 55,603.94

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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.