Home / 43,421.58-64,984.38-36,409.50

Finding the Fourth Proportional to 43,421.58, 64,984.38 and 36,409.50

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Solution

The fourth proportional to 43,421.58, 64,984.38 and 36,409.50 is: 54,490.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,421.58 : 64,984.38 = 36,409.50 : x
  2. Step 2: Convert to fraction form
    43,421.58/64,984.38 = 36,409.50/x
  3. Step 3: Cross multiply
    43,421.58x = 64,984.38 × 36,409.50
  4. Step 4: Simplify right side
    43,421.58x = 2,366,048,783.61
  5. Step 5: Solve for x
    x = 2,366,048,783.61/43,421.58
  6. Step 6: Final answer
    x = 54,490.16

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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.