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Finding the Fourth Proportional to 58,274.63, 80,426.11 and 32,782.07

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Solution

The fourth proportional to 58,274.63, 80,426.11 and 32,782.07 is: 45,243.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,274.63 : 80,426.11 = 32,782.07 : x
  2. Step 2: Convert to fraction form
    58,274.63/80,426.11 = 32,782.07/x
  3. Step 3: Cross multiply
    58,274.63x = 80,426.11 × 32,782.07
  4. Step 4: Simplify right side
    58,274.63x = 2,636,534,486.96
  5. Step 5: Solve for x
    x = 2,636,534,486.96/58,274.63
  6. Step 6: Final answer
    x = 45,243.26

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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.