Home / 67,728.51-93,466.35-39,047.67

Finding the Fourth Proportional to 67,728.51, 93,466.35 and 39,047.67

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Solution

The fourth proportional to 67,728.51, 93,466.35 and 39,047.67 is: 53,886.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,728.51 : 93,466.35 = 39,047.67 : x
  2. Step 2: Convert to fraction form
    67,728.51/93,466.35 = 39,047.67/x
  3. Step 3: Cross multiply
    67,728.51x = 93,466.35 × 39,047.67
  4. Step 4: Simplify right side
    67,728.51x = 3,649,643,190.90
  5. Step 5: Solve for x
    x = 3,649,643,190.90/67,728.51
  6. Step 6: Final answer
    x = 53,886.36

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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.