Home / 46,389.01-69,588.07-13,109.33

Finding the Fourth Proportional to 46,389.01, 69,588.07 and 13,109.33

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Solution

The fourth proportional to 46,389.01, 69,588.07 and 13,109.33 is: 19,665.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,389.01 : 69,588.07 = 13,109.33 : x
  2. Step 2: Convert to fraction form
    46,389.01/69,588.07 = 13,109.33/x
  3. Step 3: Cross multiply
    46,389.01x = 69,588.07 × 13,109.33
  4. Step 4: Simplify right side
    46,389.01x = 912,252,973.69
  5. Step 5: Solve for x
    x = 912,252,973.69/46,389.01
  6. Step 6: Final answer
    x = 19,665.28

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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.