Home / 35,438.18-53,162.91-11,746.55

Finding the Fourth Proportional to 35,438.18, 53,162.91 and 11,746.55

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Solution

The fourth proportional to 35,438.18, 53,162.91 and 11,746.55 is: 17,621.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,438.18 : 53,162.91 = 11,746.55 : x
  2. Step 2: Convert to fraction form
    35,438.18/53,162.91 = 11,746.55/x
  3. Step 3: Cross multiply
    35,438.18x = 53,162.91 × 11,746.55
  4. Step 4: Simplify right side
    35,438.18x = 624,480,913.37
  5. Step 5: Solve for x
    x = 624,480,913.37/35,438.18
  6. Step 6: Final answer
    x = 17,621.70

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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.