Home / 42,918.40-64,363.77-40,119.73

Finding the Fourth Proportional to 42,918.40, 64,363.77 and 40,119.73

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Solution

The fourth proportional to 42,918.40, 64,363.77 and 40,119.73 is: 60,166.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,918.40 : 64,363.77 = 40,119.73 : x
  2. Step 2: Convert to fraction form
    42,918.40/64,363.77 = 40,119.73/x
  3. Step 3: Cross multiply
    42,918.40x = 64,363.77 × 40,119.73
  4. Step 4: Simplify right side
    42,918.40x = 2,582,257,074.18
  5. Step 5: Solve for x
    x = 2,582,257,074.18/42,918.40
  6. Step 6: Final answer
    x = 60,166.67

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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.