Home / 30,085.51-41,516.85-16,656.52

Finding the Fourth Proportional to 30,085.51, 41,516.85 and 16,656.52

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Solution

The fourth proportional to 30,085.51, 41,516.85 and 16,656.52 is: 22,985.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,085.51 : 41,516.85 = 16,656.52 : x
  2. Step 2: Convert to fraction form
    30,085.51/41,516.85 = 16,656.52/x
  3. Step 3: Cross multiply
    30,085.51x = 41,516.85 × 16,656.52
  4. Step 4: Simplify right side
    30,085.51x = 691,526,242.36
  5. Step 5: Solve for x
    x = 691,526,242.36/30,085.51
  6. Step 6: Final answer
    x = 22,985.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.