Home / 39,084.48-58,624.80-12,785.76

Finding the Fourth Proportional to 39,084.48, 58,624.80 and 12,785.76

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Solution

The fourth proportional to 39,084.48, 58,624.80 and 12,785.76 is: 19,178.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,084.48 : 58,624.80 = 12,785.76 : x
  2. Step 2: Convert to fraction form
    39,084.48/58,624.80 = 12,785.76/x
  3. Step 3: Cross multiply
    39,084.48x = 58,624.80 × 12,785.76
  4. Step 4: Simplify right side
    39,084.48x = 749,562,622.85
  5. Step 5: Solve for x
    x = 749,562,622.85/39,084.48
  6. Step 6: Final answer
    x = 19,178.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.