Home / 71,037.12-98,030.34-39,205.32

Finding the Fourth Proportional to 71,037.12, 98,030.34 and 39,205.32

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Solution

The fourth proportional to 71,037.12, 98,030.34 and 39,205.32 is: 54,102.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,037.12 : 98,030.34 = 39,205.32 : x
  2. Step 2: Convert to fraction form
    71,037.12/98,030.34 = 39,205.32/x
  3. Step 3: Cross multiply
    71,037.12x = 98,030.34 × 39,205.32
  4. Step 4: Simplify right side
    71,037.12x = 3,843,310,849.41
  5. Step 5: Solve for x
    x = 3,843,310,849.41/71,037.12
  6. Step 6: Final answer
    x = 54,102.85

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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.