Home / 39,988.62-59,995.89-19,213.74

Finding the Fourth Proportional to 39,988.62, 59,995.89 and 19,213.74

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Solution

The fourth proportional to 39,988.62, 59,995.89 and 19,213.74 is: 28,826.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,988.62 : 59,995.89 = 19,213.74 : x
  2. Step 2: Convert to fraction form
    39,988.62/59,995.89 = 19,213.74/x
  3. Step 3: Cross multiply
    39,988.62x = 59,995.89 × 19,213.74
  4. Step 4: Simplify right side
    39,988.62x = 1,152,745,431.53
  5. Step 5: Solve for x
    x = 1,152,745,431.53/39,988.62
  6. Step 6: Final answer
    x = 28,826.84

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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.