Home / 39,802.78-59,711.46-13,506.13

Finding the Fourth Proportional to 39,802.78, 59,711.46 and 13,506.13

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Solution

The fourth proportional to 39,802.78, 59,711.46 and 13,506.13 is: 20,261.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,802.78 : 59,711.46 = 13,506.13 : x
  2. Step 2: Convert to fraction form
    39,802.78/59,711.46 = 13,506.13/x
  3. Step 3: Cross multiply
    39,802.78x = 59,711.46 × 13,506.13
  4. Step 4: Simplify right side
    39,802.78x = 806,470,741.25
  5. Step 5: Solve for x
    x = 806,470,741.25/39,802.78
  6. Step 6: Final answer
    x = 20,261.67

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1.5x scale

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.