Home / 51,070.23-76,605.09-13,119.47

Finding the Fourth Proportional to 51,070.23, 76,605.09 and 13,119.47

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Solution

The fourth proportional to 51,070.23, 76,605.09 and 13,119.47 is: 19,679.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,070.23 : 76,605.09 = 13,119.47 : x
  2. Step 2: Convert to fraction form
    51,070.23/76,605.09 = 13,119.47/x
  3. Step 3: Cross multiply
    51,070.23x = 76,605.09 × 13,119.47
  4. Step 4: Simplify right side
    51,070.23x = 1,005,018,035.15
  5. Step 5: Solve for x
    x = 1,005,018,035.15/51,070.23
  6. Step 6: Final answer
    x = 19,679.14

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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.