Home / 47,585.84-65,681.97-28,724.18

Finding the Fourth Proportional to 47,585.84, 65,681.97 and 28,724.18

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Solution

The fourth proportional to 47,585.84, 65,681.97 and 28,724.18 is: 39,647.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,585.84 : 65,681.97 = 28,724.18 : x
  2. Step 2: Convert to fraction form
    47,585.84/65,681.97 = 28,724.18/x
  3. Step 3: Cross multiply
    47,585.84x = 65,681.97 × 28,724.18
  4. Step 4: Simplify right side
    47,585.84x = 1,886,660,729.03
  5. Step 5: Solve for x
    x = 1,886,660,729.03/47,585.84
  6. Step 6: Final answer
    x = 39,647.52

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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.