Home / 71,056.08-98,057.41-39,225

Finding the Fourth Proportional to 71,056.08, 98,057.41 and 39,225

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Solution

The fourth proportional to 71,056.08, 98,057.41 and 39,225 is: 54,130.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,056.08 : 98,057.41 = 39,225 : x
  2. Step 2: Convert to fraction form
    71,056.08/98,057.41 = 39,225/x
  3. Step 3: Cross multiply
    71,056.08x = 98,057.41 × 39,225
  4. Step 4: Simplify right side
    71,056.08x = 3,846,301,809.19
  5. Step 5: Solve for x
    x = 3,846,301,809.19/71,056.08
  6. Step 6: Final answer
    x = 54,130.51

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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.