Home / 37,140.72-55,705.60-10,838.40

Finding the Fourth Proportional to 37,140.72, 55,705.60 and 10,838.40

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Solution

The fourth proportional to 37,140.72, 55,705.60 and 10,838.40 is: 16,256.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,140.72 : 55,705.60 = 10,838.40 : x
  2. Step 2: Convert to fraction form
    37,140.72/55,705.60 = 10,838.40/x
  3. Step 3: Cross multiply
    37,140.72x = 55,705.60 × 10,838.40
  4. Step 4: Simplify right side
    37,140.72x = 603,759,575.04
  5. Step 5: Solve for x
    x = 603,759,575.04/37,140.72
  6. Step 6: Final answer
    x = 16,256.00

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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.