Home / 64,729.40-89,323.22-36,436.90

Finding the Fourth Proportional to 64,729.40, 89,323.22 and 36,436.90

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Solution

The fourth proportional to 64,729.40, 89,323.22 and 36,436.90 is: 50,281.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,729.40 : 89,323.22 = 36,436.90 : x
  2. Step 2: Convert to fraction form
    64,729.40/89,323.22 = 36,436.90/x
  3. Step 3: Cross multiply
    64,729.40x = 89,323.22 × 36,436.90
  4. Step 4: Simplify right side
    64,729.40x = 3,254,661,234.82
  5. Step 5: Solve for x
    x = 3,254,661,234.82/64,729.40
  6. Step 6: Final answer
    x = 50,281.04

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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.