Home / 39,045.22-58,578.78-15,688.06

Finding the Fourth Proportional to 39,045.22, 58,578.78 and 15,688.06

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Solution

The fourth proportional to 39,045.22, 58,578.78 and 15,688.06 is: 23,536.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,045.22 : 58,578.78 = 15,688.06 : x
  2. Step 2: Convert to fraction form
    39,045.22/58,578.78 = 15,688.06/x
  3. Step 3: Cross multiply
    39,045.22x = 58,578.78 × 15,688.06
  4. Step 4: Simplify right side
    39,045.22x = 918,987,415.37
  5. Step 5: Solve for x
    x = 918,987,415.37/39,045.22
  6. Step 6: Final answer
    x = 23,536.49

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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.