Home / 43,230.95-64,853.13-18,271.10

Finding the Fourth Proportional to 43,230.95, 64,853.13 and 18,271.10

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Solution

The fourth proportional to 43,230.95, 64,853.13 and 18,271.10 is: 27,409.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,230.95 : 64,853.13 = 18,271.10 : x
  2. Step 2: Convert to fraction form
    43,230.95/64,853.13 = 18,271.10/x
  3. Step 3: Cross multiply
    43,230.95x = 64,853.13 × 18,271.10
  4. Step 4: Simplify right side
    43,230.95x = 1,184,938,151.42
  5. Step 5: Solve for x
    x = 1,184,938,151.42/43,230.95
  6. Step 6: Final answer
    x = 27,409.49

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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.