Home / 35,985.26-53,984.03-12,291.50

Finding the Fourth Proportional to 35,985.26, 53,984.03 and 12,291.50

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Solution

The fourth proportional to 35,985.26, 53,984.03 and 12,291.50 is: 18,439.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,985.26 : 53,984.03 = 12,291.50 : x
  2. Step 2: Convert to fraction form
    35,985.26/53,984.03 = 12,291.50/x
  3. Step 3: Cross multiply
    35,985.26x = 53,984.03 × 12,291.50
  4. Step 4: Simplify right side
    35,985.26x = 663,544,870.43
  5. Step 5: Solve for x
    x = 663,544,870.43/35,985.26
  6. Step 6: Final answer
    x = 18,439.35

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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.