Home / 30,111.03-45,166.14-9,334.53

Finding the Fourth Proportional to 30,111.03, 45,166.14 and 9,334.53

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Solution

The fourth proportional to 30,111.03, 45,166.14 and 9,334.53 is: 14,001.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,111.03 : 45,166.14 = 9,334.53 : x
  2. Step 2: Convert to fraction form
    30,111.03/45,166.14 = 9,334.53/x
  3. Step 3: Cross multiply
    30,111.03x = 45,166.14 × 9,334.53
  4. Step 4: Simplify right side
    30,111.03x = 421,604,688.81
  5. Step 5: Solve for x
    x = 421,604,688.81/30,111.03
  6. Step 6: Final answer
    x = 14,001.67

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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.