Home / 48,031.54-72,047.27-12,971.16

Finding the Fourth Proportional to 48,031.54, 72,047.27 and 12,971.16

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Solution

The fourth proportional to 48,031.54, 72,047.27 and 12,971.16 is: 19,456.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,031.54 : 72,047.27 = 12,971.16 : x
  2. Step 2: Convert to fraction form
    48,031.54/72,047.27 = 12,971.16/x
  3. Step 3: Cross multiply
    48,031.54x = 72,047.27 × 12,971.16
  4. Step 4: Simplify right side
    48,031.54x = 934,536,699.16
  5. Step 5: Solve for x
    x = 934,536,699.16/48,031.54
  6. Step 6: Final answer
    x = 19,456.73

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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.