Home / 30,652.55-45,977.55-10,666.62

Finding the Fourth Proportional to 30,652.55, 45,977.55 and 10,666.62

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Solution

The fourth proportional to 30,652.55, 45,977.55 and 10,666.62 is: 15,999.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,652.55 : 45,977.55 = 10,666.62 : x
  2. Step 2: Convert to fraction form
    30,652.55/45,977.55 = 10,666.62/x
  3. Step 3: Cross multiply
    30,652.55x = 45,977.55 × 10,666.62
  4. Step 4: Simplify right side
    30,652.55x = 490,425,054.38
  5. Step 5: Solve for x
    x = 490,425,054.38/30,652.55
  6. Step 6: Final answer
    x = 15,999.49

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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.