Home / 40,477.96-60,735.72-15,509.68

Finding the Fourth Proportional to 40,477.96, 60,735.72 and 15,509.68

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Solution

The fourth proportional to 40,477.96, 60,735.72 and 15,509.68 is: 23,271.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,477.96 : 60,735.72 = 15,509.68 : x
  2. Step 2: Convert to fraction form
    40,477.96/60,735.72 = 15,509.68/x
  3. Step 3: Cross multiply
    40,477.96x = 60,735.72 × 15,509.68
  4. Step 4: Simplify right side
    40,477.96x = 941,991,581.77
  5. Step 5: Solve for x
    x = 941,991,581.77/40,477.96
  6. Step 6: Final answer
    x = 23,271.72

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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.