Home / 30,027.24-45,045.72-12,497.76

Finding the Fourth Proportional to 30,027.24, 45,045.72 and 12,497.76

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Solution

The fourth proportional to 30,027.24, 45,045.72 and 12,497.76 is: 18,748.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,027.24 : 45,045.72 = 12,497.76 : x
  2. Step 2: Convert to fraction form
    30,027.24/45,045.72 = 12,497.76/x
  3. Step 3: Cross multiply
    30,027.24x = 45,045.72 × 12,497.76
  4. Step 4: Simplify right side
    30,027.24x = 562,970,597.59
  5. Step 5: Solve for x
    x = 562,970,597.59/30,027.24
  6. Step 6: Final answer
    x = 18,748.66

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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.