Home / 64,800.26-89,423.96-36,515.06

Finding the Fourth Proportional to 64,800.26, 89,423.96 and 36,515.06

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Solution

The fourth proportional to 64,800.26, 89,423.96 and 36,515.06 is: 50,390.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,800.26 : 89,423.96 = 36,515.06 : x
  2. Step 2: Convert to fraction form
    64,800.26/89,423.96 = 36,515.06/x
  3. Step 3: Cross multiply
    64,800.26x = 89,423.96 × 36,515.06
  4. Step 4: Simplify right side
    64,800.26x = 3,265,321,264.84
  5. Step 5: Solve for x
    x = 3,265,321,264.84/64,800.26
  6. Step 6: Final answer
    x = 50,390.56

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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.