Home / 39,432.30-59,119.29-18,631.50

Finding the Fourth Proportional to 39,432.30, 59,119.29 and 18,631.50

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Solution

The fourth proportional to 39,432.30, 59,119.29 and 18,631.50 is: 27,933.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,432.30 : 59,119.29 = 18,631.50 : x
  2. Step 2: Convert to fraction form
    39,432.30/59,119.29 = 18,631.50/x
  3. Step 3: Cross multiply
    39,432.30x = 59,119.29 × 18,631.50
  4. Step 4: Simplify right side
    39,432.30x = 1,101,481,051.64
  5. Step 5: Solve for x
    x = 1,101,481,051.64/39,432.30
  6. Step 6: Final answer
    x = 27,933.47

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1.5x scale

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.