Home / 48,047.22-72,060.84-12,978.69

Finding the Fourth Proportional to 48,047.22, 72,060.84 and 12,978.69

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Solution

The fourth proportional to 48,047.22, 72,060.84 and 12,978.69 is: 19,465.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,047.22 : 72,060.84 = 12,978.69 : x
  2. Step 2: Convert to fraction form
    48,047.22/72,060.84 = 12,978.69/x
  3. Step 3: Cross multiply
    48,047.22x = 72,060.84 × 12,978.69
  4. Step 4: Simplify right side
    48,047.22x = 935,255,303.50
  5. Step 5: Solve for x
    x = 935,255,303.50/48,047.22
  6. Step 6: Final answer
    x = 19,465.34

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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.