Home / 50,985.63-76,489.39-21,386.41

Finding the Fourth Proportional to 50,985.63, 76,489.39 and 21,386.41

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Solution

The fourth proportional to 50,985.63, 76,489.39 and 21,386.41 is: 32,084.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,985.63 : 76,489.39 = 21,386.41 : x
  2. Step 2: Convert to fraction form
    50,985.63/76,489.39 = 21,386.41/x
  3. Step 3: Cross multiply
    50,985.63x = 76,489.39 × 21,386.41
  4. Step 4: Simplify right side
    50,985.63x = 1,635,833,455.19
  5. Step 5: Solve for x
    x = 1,635,833,455.19/50,985.63
  6. Step 6: Final answer
    x = 32,084.21

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1.5x scale

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.