Home / 39,000.51-58,505.63-12,698.19

Finding the Fourth Proportional to 39,000.51, 58,505.63 and 12,698.19

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Solution

The fourth proportional to 39,000.51, 58,505.63 and 12,698.19 is: 19,048.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,000.51 : 58,505.63 = 12,698.19 : x
  2. Step 2: Convert to fraction form
    39,000.51/58,505.63 = 12,698.19/x
  3. Step 3: Cross multiply
    39,000.51x = 58,505.63 × 12,698.19
  4. Step 4: Simplify right side
    39,000.51x = 742,915,542.32
  5. Step 5: Solve for x
    x = 742,915,542.32/39,000.51
  6. Step 6: Final answer
    x = 19,048.87

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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.