Home / 48,000.96-72,001.26-12,944.16

Finding the Fourth Proportional to 48,000.96, 72,001.26 and 12,944.16

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Solution

The fourth proportional to 48,000.96, 72,001.26 and 12,944.16 is: 19,416.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,000.96 : 72,001.26 = 12,944.16 : x
  2. Step 2: Convert to fraction form
    48,000.96/72,001.26 = 12,944.16/x
  3. Step 3: Cross multiply
    48,000.96x = 72,001.26 × 12,944.16
  4. Step 4: Simplify right side
    48,000.96x = 931,995,829.64
  5. Step 5: Solve for x
    x = 931,995,829.64/48,000.96
  6. Step 6: Final answer
    x = 19,416.19

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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.