Home / 65,017.08-89,725.32-36,722.88

Finding the Fourth Proportional to 65,017.08, 89,725.32 and 36,722.88

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Solution

The fourth proportional to 65,017.08, 89,725.32 and 36,722.88 is: 50,678.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,017.08 : 89,725.32 = 36,722.88 : x
  2. Step 2: Convert to fraction form
    65,017.08/89,725.32 = 36,722.88/x
  3. Step 3: Cross multiply
    65,017.08x = 89,725.32 × 36,722.88
  4. Step 4: Simplify right side
    65,017.08x = 3,294,972,159.32
  5. Step 5: Solve for x
    x = 3,294,972,159.32/65,017.08
  6. Step 6: Final answer
    x = 50,678.56

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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.