Home / 71,462.95-98,614.07-39,630.67

Finding the Fourth Proportional to 71,462.95, 98,614.07 and 39,630.67

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Solution

The fourth proportional to 71,462.95, 98,614.07 and 39,630.67 is: 54,687.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,462.95 : 98,614.07 = 39,630.67 : x
  2. Step 2: Convert to fraction form
    71,462.95/98,614.07 = 39,630.67/x
  3. Step 3: Cross multiply
    71,462.95x = 98,614.07 × 39,630.67
  4. Step 4: Simplify right side
    71,462.95x = 3,908,141,467.37
  5. Step 5: Solve for x
    x = 3,908,141,467.37/71,462.95
  6. Step 6: Final answer
    x = 54,687.66

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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.