Home / 39,182.31-58,774.95-12,889.17

Finding the Fourth Proportional to 39,182.31, 58,774.95 and 12,889.17

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Solution

The fourth proportional to 39,182.31, 58,774.95 and 12,889.17 is: 19,334.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,182.31 : 58,774.95 = 12,889.17 : x
  2. Step 2: Convert to fraction form
    39,182.31/58,774.95 = 12,889.17/x
  3. Step 3: Cross multiply
    39,182.31x = 58,774.95 × 12,889.17
  4. Step 4: Simplify right side
    39,182.31x = 757,560,322.29
  5. Step 5: Solve for x
    x = 757,560,322.29/39,182.31
  6. Step 6: Final answer
    x = 19,334.24

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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.