Home / 30,041.76-45,090.72-15,261.24

Finding the Fourth Proportional to 30,041.76, 45,090.72 and 15,261.24

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Solution

The fourth proportional to 30,041.76, 45,090.72 and 15,261.24 is: 22,906.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,041.76 : 45,090.72 = 15,261.24 : x
  2. Step 2: Convert to fraction form
    30,041.76/45,090.72 = 15,261.24/x
  3. Step 3: Cross multiply
    30,041.76x = 45,090.72 × 15,261.24
  4. Step 4: Simplify right side
    30,041.76x = 688,140,299.69
  5. Step 5: Solve for x
    x = 688,140,299.69/30,041.76
  6. Step 6: Final answer
    x = 22,906.12

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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.