Home / 47,475.12-65,489.63-30,460.37

Finding the Fourth Proportional to 47,475.12, 65,489.63 and 30,460.37

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Solution

The fourth proportional to 47,475.12, 65,489.63 and 30,460.37 is: 42,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,475.12 : 65,489.63 = 30,460.37 : x
  2. Step 2: Convert to fraction form
    47,475.12/65,489.63 = 30,460.37/x
  3. Step 3: Cross multiply
    47,475.12x = 65,489.63 × 30,460.37
  4. Step 4: Simplify right side
    47,475.12x = 1,994,837,881.21
  5. Step 5: Solve for x
    x = 1,994,837,881.21/47,475.12
  6. Step 6: Final answer
    x = 42,018.60

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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.