Home / 35,975.12-53,970.36-12,602.96

Finding the Fourth Proportional to 35,975.12, 53,970.36 and 12,602.96

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Solution

The fourth proportional to 35,975.12, 53,970.36 and 12,602.96 is: 18,907.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,975.12 : 53,970.36 = 12,602.96 : x
  2. Step 2: Convert to fraction form
    35,975.12/53,970.36 = 12,602.96/x
  3. Step 3: Cross multiply
    35,975.12x = 53,970.36 × 12,602.96
  4. Step 4: Simplify right side
    35,975.12x = 680,186,288.27
  5. Step 5: Solve for x
    x = 680,186,288.27/35,975.12
  6. Step 6: Final answer
    x = 18,907.13

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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.