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Finding the Fourth Proportional to 60,723.84, 83,809.07 and 36,866.40

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Solution

The fourth proportional to 60,723.84, 83,809.07 and 36,866.40 is: 50,881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,723.84 : 83,809.07 = 36,866.40 : x
  2. Step 2: Convert to fraction form
    60,723.84/83,809.07 = 36,866.40/x
  3. Step 3: Cross multiply
    60,723.84x = 83,809.07 × 36,866.40
  4. Step 4: Simplify right side
    60,723.84x = 3,089,738,513.92
  5. Step 5: Solve for x
    x = 3,089,738,513.92/60,723.84
  6. Step 6: Final answer
    x = 50,881.80

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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.