Home / 30,144.29-45,210.51-22,172.67

Finding the Fourth Proportional to 30,144.29, 45,210.51 and 22,172.67

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Solution

The fourth proportional to 30,144.29, 45,210.51 and 22,172.67 is: 33,254.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,144.29 : 45,210.51 = 22,172.67 : x
  2. Step 2: Convert to fraction form
    30,144.29/45,210.51 = 22,172.67/x
  3. Step 3: Cross multiply
    30,144.29x = 45,210.51 × 22,172.67
  4. Step 4: Simplify right side
    30,144.29x = 1,002,437,718.76
  5. Step 5: Solve for x
    x = 1,002,437,718.76/30,144.29
  6. Step 6: Final answer
    x = 33,254.65

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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.