Home / 39,001.51-58,507.13-12,699.19

Finding the Fourth Proportional to 39,001.51, 58,507.13 and 12,699.19

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Solution

The fourth proportional to 39,001.51, 58,507.13 and 12,699.19 is: 19,050.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,001.51 : 58,507.13 = 12,699.19 : x
  2. Step 2: Convert to fraction form
    39,001.51/58,507.13 = 12,699.19/x
  3. Step 3: Cross multiply
    39,001.51x = 58,507.13 × 12,699.19
  4. Step 4: Simplify right side
    39,001.51x = 742,993,160.22
  5. Step 5: Solve for x
    x = 742,993,160.22/39,001.51
  6. Step 6: Final answer
    x = 19,050.37

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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.