Home / 43,228.04-64,842.08-11,638.17

Finding the Fourth Proportional to 43,228.04, 64,842.08 and 11,638.17

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Solution

The fourth proportional to 43,228.04, 64,842.08 and 11,638.17 is: 17,457.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,228.04 : 64,842.08 = 11,638.17 : x
  2. Step 2: Convert to fraction form
    43,228.04/64,842.08 = 11,638.17/x
  3. Step 3: Cross multiply
    43,228.04x = 64,842.08 × 11,638.17
  4. Step 4: Simplify right side
    43,228.04x = 754,643,092.00
  5. Step 5: Solve for x
    x = 754,643,092.00/43,228.04
  6. Step 6: Final answer
    x = 17,457.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.