Home / 39,880.74-59,812.04-11,802.90

Finding the Fourth Proportional to 39,880.74, 59,812.04 and 11,802.90

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Solution

The fourth proportional to 39,880.74, 59,812.04 and 11,802.90 is: 17,701.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,880.74 : 59,812.04 = 11,802.90 : x
  2. Step 2: Convert to fraction form
    39,880.74/59,812.04 = 11,802.90/x
  3. Step 3: Cross multiply
    39,880.74x = 59,812.04 × 11,802.90
  4. Step 4: Simplify right side
    39,880.74x = 705,955,526.92
  5. Step 5: Solve for x
    x = 705,955,526.92/39,880.74
  6. Step 6: Final answer
    x = 17,701.67

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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.