Home / 45,730.17-68,412.09-39,556.45

Finding the Fourth Proportional to 45,730.17, 68,412.09 and 39,556.45

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Solution

The fourth proportional to 45,730.17, 68,412.09 and 39,556.45 is: 59,176.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,730.17 : 68,412.09 = 39,556.45 : x
  2. Step 2: Convert to fraction form
    45,730.17/68,412.09 = 39,556.45/x
  3. Step 3: Cross multiply
    45,730.17x = 68,412.09 × 39,556.45
  4. Step 4: Simplify right side
    45,730.17x = 2,706,139,651.33
  5. Step 5: Solve for x
    x = 2,706,139,651.33/45,730.17
  6. Step 6: Final answer
    x = 59,176.24

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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.