Home / 35,970.53-53,960.73-12,271.72

Finding the Fourth Proportional to 35,970.53, 53,960.73 and 12,271.72

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Solution

The fourth proportional to 35,970.53, 53,960.73 and 12,271.72 is: 18,409.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,970.53 : 53,960.73 = 12,271.72 : x
  2. Step 2: Convert to fraction form
    35,970.53/53,960.73 = 12,271.72/x
  3. Step 3: Cross multiply
    35,970.53x = 53,960.73 × 12,271.72
  4. Step 4: Simplify right side
    35,970.53x = 662,190,638.39
  5. Step 5: Solve for x
    x = 662,190,638.39/35,970.53
  6. Step 6: Final answer
    x = 18,409.25

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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.