Home / 30,102.03-41,561.10-18,788.76

Finding the Fourth Proportional to 30,102.03, 41,561.10 and 18,788.76

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Solution

The fourth proportional to 30,102.03, 41,561.10 and 18,788.76 is: 25,941.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,102.03 : 41,561.10 = 18,788.76 : x
  2. Step 2: Convert to fraction form
    30,102.03/41,561.10 = 18,788.76/x
  3. Step 3: Cross multiply
    30,102.03x = 41,561.10 × 18,788.76
  4. Step 4: Simplify right side
    30,102.03x = 780,881,533.24
  5. Step 5: Solve for x
    x = 780,881,533.24/30,102.03
  6. Step 6: Final answer
    x = 25,941.16

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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.