Home / 64,592.08-89,116.49-39,090.29

Finding the Fourth Proportional to 64,592.08, 89,116.49 and 39,090.29

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Solution

The fourth proportional to 64,592.08, 89,116.49 and 39,090.29 is: 53,932.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,592.08 : 89,116.49 = 39,090.29 : x
  2. Step 2: Convert to fraction form
    64,592.08/89,116.49 = 39,090.29/x
  3. Step 3: Cross multiply
    64,592.08x = 89,116.49 × 39,090.29
  4. Step 4: Simplify right side
    64,592.08x = 3,483,589,473.67
  5. Step 5: Solve for x
    x = 3,483,589,473.67/64,592.08
  6. Step 6: Final answer
    x = 53,932.15

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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.