Home / 30,099.02-45,152.76-12,564.86

Finding the Fourth Proportional to 30,099.02, 45,152.76 and 12,564.86

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Solution

The fourth proportional to 30,099.02, 45,152.76 and 12,564.86 is: 18,849.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,099.02 : 45,152.76 = 12,564.86 : x
  2. Step 2: Convert to fraction form
    30,099.02/45,152.76 = 12,564.86/x
  3. Step 3: Cross multiply
    30,099.02x = 45,152.76 × 12,564.86
  4. Step 4: Simplify right side
    30,099.02x = 567,338,108.01
  5. Step 5: Solve for x
    x = 567,338,108.01/30,099.02
  6. Step 6: Final answer
    x = 18,849.06

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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.