Home / 71,635.20-98,852.23-39,803.01

Finding the Fourth Proportional to 71,635.20, 98,852.23 and 39,803.01

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Solution

The fourth proportional to 71,635.20, 98,852.23 and 39,803.01 is: 54,925.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,635.20 : 98,852.23 = 39,803.01 : x
  2. Step 2: Convert to fraction form
    71,635.20/98,852.23 = 39,803.01/x
  3. Step 3: Cross multiply
    71,635.20x = 98,852.23 × 39,803.01
  4. Step 4: Simplify right side
    71,635.20x = 3,934,616,299.21
  5. Step 5: Solve for x
    x = 3,934,616,299.21/71,635.20
  6. Step 6: Final answer
    x = 54,925.74

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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.