Home / 38,721.81-58,075.81-24,640.04

Finding the Fourth Proportional to 38,721.81, 58,075.81 and 24,640.04

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Solution

The fourth proportional to 38,721.81, 58,075.81 and 24,640.04 is: 36,955.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,721.81 : 58,075.81 = 24,640.04 : x
  2. Step 2: Convert to fraction form
    38,721.81/58,075.81 = 24,640.04/x
  3. Step 3: Cross multiply
    38,721.81x = 58,075.81 × 24,640.04
  4. Step 4: Simplify right side
    38,721.81x = 1,430,990,365.02
  5. Step 5: Solve for x
    x = 1,430,990,365.02/38,721.81
  6. Step 6: Final answer
    x = 36,955.67

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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.