Home / 39,840.10-59,630.55-36,729.70

Finding the Fourth Proportional to 39,840.10, 59,630.55 and 36,729.70

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Solution

The fourth proportional to 39,840.10, 59,630.55 and 36,729.70 is: 54,975.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,840.10 : 59,630.55 = 36,729.70 : x
  2. Step 2: Convert to fraction form
    39,840.10/59,630.55 = 36,729.70/x
  3. Step 3: Cross multiply
    39,840.10x = 59,630.55 × 36,729.70
  4. Step 4: Simplify right side
    39,840.10x = 2,190,212,212.34
  5. Step 5: Solve for x
    x = 2,190,212,212.34/39,840.10
  6. Step 6: Final answer
    x = 54,975.07

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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.