Home / 38,880.45-58,320.81-10,802.07

Finding the Fourth Proportional to 38,880.45, 58,320.81 and 10,802.07

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Solution

The fourth proportional to 38,880.45, 58,320.81 and 10,802.07 is: 16,203.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,880.45 : 58,320.81 = 10,802.07 : x
  2. Step 2: Convert to fraction form
    38,880.45/58,320.81 = 10,802.07/x
  3. Step 3: Cross multiply
    38,880.45x = 58,320.81 × 10,802.07
  4. Step 4: Simplify right side
    38,880.45x = 629,985,472.08
  5. Step 5: Solve for x
    x = 629,985,472.08/38,880.45
  6. Step 6: Final answer
    x = 16,203.14

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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.