Home / 32,838.85-45,318.73-19,421.61

Finding the Fourth Proportional to 32,838.85, 45,318.73 and 19,421.61

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Solution

The fourth proportional to 32,838.85, 45,318.73 and 19,421.61 is: 26,802.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,838.85 : 45,318.73 = 19,421.61 : x
  2. Step 2: Convert to fraction form
    32,838.85/45,318.73 = 19,421.61/x
  3. Step 3: Cross multiply
    32,838.85x = 45,318.73 × 19,421.61
  4. Step 4: Simplify right side
    32,838.85x = 880,162,699.76
  5. Step 5: Solve for x
    x = 880,162,699.76/32,838.85
  6. Step 6: Final answer
    x = 26,802.48

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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.