Home / 39,182.08-58,760.64-12,880.76

Finding the Fourth Proportional to 39,182.08, 58,760.64 and 12,880.76

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Solution

The fourth proportional to 39,182.08, 58,760.64 and 12,880.76 is: 19,317.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,182.08 : 58,760.64 = 12,880.76 : x
  2. Step 2: Convert to fraction form
    39,182.08/58,760.64 = 12,880.76/x
  3. Step 3: Cross multiply
    39,182.08x = 58,760.64 × 12,880.76
  4. Step 4: Simplify right side
    39,182.08x = 756,881,701.29
  5. Step 5: Solve for x
    x = 756,881,701.29/39,182.08
  6. Step 6: Final answer
    x = 19,317.04

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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.