Home / 53,838.03-80,762.40-20,586.06

Finding the Fourth Proportional to 53,838.03, 80,762.40 and 20,586.06

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Solution

The fourth proportional to 53,838.03, 80,762.40 and 20,586.06 is: 30,881.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,838.03 : 80,762.40 = 20,586.06 : x
  2. Step 2: Convert to fraction form
    53,838.03/80,762.40 = 20,586.06/x
  3. Step 3: Cross multiply
    53,838.03x = 80,762.40 × 20,586.06
  4. Step 4: Simplify right side
    53,838.03x = 1,662,579,612.14
  5. Step 5: Solve for x
    x = 1,662,579,612.14/53,838.03
  6. Step 6: Final answer
    x = 30,881.14

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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.