Home / 30,652.48-45,977.45-10,666.55

Finding the Fourth Proportional to 30,652.48, 45,977.45 and 10,666.55

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Solution

The fourth proportional to 30,652.48, 45,977.45 and 10,666.55 is: 15,999.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,652.48 : 45,977.45 = 10,666.55 : x
  2. Step 2: Convert to fraction form
    30,652.48/45,977.45 = 10,666.55/x
  3. Step 3: Cross multiply
    30,652.48x = 45,977.45 × 10,666.55
  4. Step 4: Simplify right side
    30,652.48x = 490,420,658.49
  5. Step 5: Solve for x
    x = 490,420,658.49/30,652.48
  6. Step 6: Final answer
    x = 15,999.38

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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.