Home / 64,520.96-89,038.86-36,226.76

Finding the Fourth Proportional to 64,520.96, 89,038.86 and 36,226.76

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Solution

The fourth proportional to 64,520.96, 89,038.86 and 36,226.76 is: 49,992.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,520.96 : 89,038.86 = 36,226.76 : x
  2. Step 2: Convert to fraction form
    64,520.96/89,038.86 = 36,226.76/x
  3. Step 3: Cross multiply
    64,520.96x = 89,038.86 × 36,226.76
  4. Step 4: Simplify right side
    64,520.96x = 3,225,589,411.89
  5. Step 5: Solve for x
    x = 3,225,589,411.89/64,520.96
  6. Step 6: Final answer
    x = 49,992.89

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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.