Home / 43,211.84-59,643.61-28,145.84

Finding the Fourth Proportional to 43,211.84, 59,643.61 and 28,145.84

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Solution

The fourth proportional to 43,211.84, 59,643.61 and 28,145.84 is: 38,848.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,211.84 : 59,643.61 = 28,145.84 : x
  2. Step 2: Convert to fraction form
    43,211.84/59,643.61 = 28,145.84/x
  3. Step 3: Cross multiply
    43,211.84x = 59,643.61 × 28,145.84
  4. Step 4: Simplify right side
    43,211.84x = 1,678,719,135.50
  5. Step 5: Solve for x
    x = 1,678,719,135.50/43,211.84
  6. Step 6: Final answer
    x = 38,848.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.