Home / 39,078.04-58,624.26-12,784.24

Finding the Fourth Proportional to 39,078.04, 58,624.26 and 12,784.24

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Solution

The fourth proportional to 39,078.04, 58,624.26 and 12,784.24 is: 19,178.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,078.04 : 58,624.26 = 12,784.24 : x
  2. Step 2: Convert to fraction form
    39,078.04/58,624.26 = 12,784.24/x
  3. Step 3: Cross multiply
    39,078.04x = 58,624.26 × 12,784.24
  4. Step 4: Simplify right side
    39,078.04x = 749,466,609.66
  5. Step 5: Solve for x
    x = 749,466,609.66/39,078.04
  6. Step 6: Final answer
    x = 19,178.72

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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.