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Finding the Fourth Proportional to 60,817.48, 91,165.18 and 25,230.40

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Solution

The fourth proportional to 60,817.48, 91,165.18 and 25,230.40 is: 37,820.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,817.48 : 91,165.18 = 25,230.40 : x
  2. Step 2: Convert to fraction form
    60,817.48/91,165.18 = 25,230.40/x
  3. Step 3: Cross multiply
    60,817.48x = 91,165.18 × 25,230.40
  4. Step 4: Simplify right side
    60,817.48x = 2,300,133,957.47
  5. Step 5: Solve for x
    x = 2,300,133,957.47/60,817.48
  6. Step 6: Final answer
    x = 37,820.28

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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.