Home / 48,021.03-72,031.50-12,960.66

Finding the Fourth Proportional to 48,021.03, 72,031.50 and 12,960.66

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Solution

The fourth proportional to 48,021.03, 72,031.50 and 12,960.66 is: 19,440.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,021.03 : 72,031.50 = 12,960.66 : x
  2. Step 2: Convert to fraction form
    48,021.03/72,031.50 = 12,960.66/x
  3. Step 3: Cross multiply
    48,021.03x = 72,031.50 × 12,960.66
  4. Step 4: Simplify right side
    48,021.03x = 933,575,780.79
  5. Step 5: Solve for x
    x = 933,575,780.79/48,021.03
  6. Step 6: Final answer
    x = 19,440.98

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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.