Home / 42,669.85-58,870.34-27,571.40

Finding the Fourth Proportional to 42,669.85, 58,870.34 and 27,571.40

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Solution

The fourth proportional to 42,669.85, 58,870.34 and 27,571.40 is: 38,039.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,669.85 : 58,870.34 = 27,571.40 : x
  2. Step 2: Convert to fraction form
    42,669.85/58,870.34 = 27,571.40/x
  3. Step 3: Cross multiply
    42,669.85x = 58,870.34 × 27,571.40
  4. Step 4: Simplify right side
    42,669.85x = 1,623,137,692.28
  5. Step 5: Solve for x
    x = 1,623,137,692.28/42,669.85
  6. Step 6: Final answer
    x = 38,039.45

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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.