Home / 30,039.63-45,082.58-28,497.93

Finding the Fourth Proportional to 30,039.63, 45,082.58 and 28,497.93

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Solution

The fourth proportional to 30,039.63, 45,082.58 and 28,497.93 is: 42,768.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,039.63 : 45,082.58 = 28,497.93 : x
  2. Step 2: Convert to fraction form
    30,039.63/45,082.58 = 28,497.93/x
  3. Step 3: Cross multiply
    30,039.63x = 45,082.58 × 28,497.93
  4. Step 4: Simplify right side
    30,039.63x = 1,284,760,066.57
  5. Step 5: Solve for x
    x = 1,284,760,066.57/30,039.63
  6. Step 6: Final answer
    x = 42,768.84

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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.