Home / 30,918.77-46,374.37-13,156.57

Finding the Fourth Proportional to 30,918.77, 46,374.37 and 13,156.57

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Solution

The fourth proportional to 30,918.77, 46,374.37 and 13,156.57 is: 19,733.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,918.77 : 46,374.37 = 13,156.57 : x
  2. Step 2: Convert to fraction form
    30,918.77/46,374.37 = 13,156.57/x
  3. Step 3: Cross multiply
    30,918.77x = 46,374.37 × 13,156.57
  4. Step 4: Simplify right side
    30,918.77x = 610,127,496.28
  5. Step 5: Solve for x
    x = 610,127,496.28/30,918.77
  6. Step 6: Final answer
    x = 19,733.24

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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.