Home / 30,792.39-42,501.48-20,066.67

Finding the Fourth Proportional to 30,792.39, 42,501.48 and 20,066.67

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Solution

The fourth proportional to 30,792.39, 42,501.48 and 20,066.67 is: 27,697.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,792.39 : 42,501.48 = 20,066.67 : x
  2. Step 2: Convert to fraction form
    30,792.39/42,501.48 = 20,066.67/x
  3. Step 3: Cross multiply
    30,792.39x = 42,501.48 × 20,066.67
  4. Step 4: Simplify right side
    30,792.39x = 852,863,173.67
  5. Step 5: Solve for x
    x = 852,863,173.67/30,792.39
  6. Step 6: Final answer
    x = 27,697.21

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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.