Home / 51,017.08-76,525.80-15,478.70

Finding the Fourth Proportional to 51,017.08, 76,525.80 and 15,478.70

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Solution

The fourth proportional to 51,017.08, 76,525.80 and 15,478.70 is: 23,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,017.08 : 76,525.80 = 15,478.70 : x
  2. Step 2: Convert to fraction form
    51,017.08/76,525.80 = 15,478.70/x
  3. Step 3: Cross multiply
    51,017.08x = 76,525.80 × 15,478.70
  4. Step 4: Simplify right side
    51,017.08x = 1,184,519,900.46
  5. Step 5: Solve for x
    x = 1,184,519,900.46/51,017.08
  6. Step 6: Final answer
    x = 23,218.10

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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.