Home / 30,637.77-45,960.36-10,918.32

Finding the Fourth Proportional to 30,637.77, 45,960.36 and 10,918.32

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Solution

The fourth proportional to 30,637.77, 45,960.36 and 10,918.32 is: 16,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,637.77 : 45,960.36 = 10,918.32 : x
  2. Step 2: Convert to fraction form
    30,637.77/45,960.36 = 10,918.32/x
  3. Step 3: Cross multiply
    30,637.77x = 45,960.36 × 10,918.32
  4. Step 4: Simplify right side
    30,637.77x = 501,809,917.80
  5. Step 5: Solve for x
    x = 501,809,917.80/30,637.77
  6. Step 6: Final answer
    x = 16,378.80

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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.