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Finding the Fourth Proportional to 37,605.84, 56,385.36 and 25,905.84

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Solution

The fourth proportional to 37,605.84, 56,385.36 and 25,905.84 is: 38,842.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,605.84 : 56,385.36 = 25,905.84 : x
  2. Step 2: Convert to fraction form
    37,605.84/56,385.36 = 25,905.84/x
  3. Step 3: Cross multiply
    37,605.84x = 56,385.36 × 25,905.84
  4. Step 4: Simplify right side
    37,605.84x = 1,460,710,114.50
  5. Step 5: Solve for x
    x = 1,460,710,114.50/37,605.84
  6. Step 6: Final answer
    x = 38,842.64

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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.