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Finding the Fourth Proportional to 56,189.88, 77,539.86 and 32,300.28

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Solution

The fourth proportional to 56,189.88, 77,539.86 and 32,300.28 is: 44,573.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,189.88 : 77,539.86 = 32,300.28 : x
  2. Step 2: Convert to fraction form
    56,189.88/77,539.86 = 32,300.28/x
  3. Step 3: Cross multiply
    56,189.88x = 77,539.86 × 32,300.28
  4. Step 4: Simplify right side
    56,189.88x = 2,504,559,189.16
  5. Step 5: Solve for x
    x = 2,504,559,189.16/56,189.88
  6. Step 6: Final answer
    x = 44,573.14

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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.