Home / 41,302.12-61,947.86-13,219.80

Finding the Fourth Proportional to 41,302.12, 61,947.86 and 13,219.80

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Solution

The fourth proportional to 41,302.12, 61,947.86 and 13,219.80 is: 19,828.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,302.12 : 61,947.86 = 13,219.80 : x
  2. Step 2: Convert to fraction form
    41,302.12/61,947.86 = 13,219.80/x
  3. Step 3: Cross multiply
    41,302.12x = 61,947.86 × 13,219.80
  4. Step 4: Simplify right side
    41,302.12x = 818,938,319.63
  5. Step 5: Solve for x
    x = 818,938,319.63/41,302.12
  6. Step 6: Final answer
    x = 19,828.00

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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.