Home / 39,312.63-54,249.76-22,316.56

Finding the Fourth Proportional to 39,312.63, 54,249.76 and 22,316.56

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Solution

The fourth proportional to 39,312.63, 54,249.76 and 22,316.56 is: 30,795.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,312.63 : 54,249.76 = 22,316.56 : x
  2. Step 2: Convert to fraction form
    39,312.63/54,249.76 = 22,316.56/x
  3. Step 3: Cross multiply
    39,312.63x = 54,249.76 × 22,316.56
  4. Step 4: Simplify right side
    39,312.63x = 1,210,668,024.03
  5. Step 5: Solve for x
    x = 1,210,668,024.03/39,312.63
  6. Step 6: Final answer
    x = 30,795.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.