Home / 39,012.64-58,518.88-12,717.36

Finding the Fourth Proportional to 39,012.64, 58,518.88 and 12,717.36

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Solution

The fourth proportional to 39,012.64, 58,518.88 and 12,717.36 is: 19,076.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,012.64 : 58,518.88 = 12,717.36 : x
  2. Step 2: Convert to fraction form
    39,012.64/58,518.88 = 12,717.36/x
  3. Step 3: Cross multiply
    39,012.64x = 58,518.88 × 12,717.36
  4. Step 4: Simplify right side
    39,012.64x = 744,205,663.76
  5. Step 5: Solve for x
    x = 744,205,663.76/39,012.64
  6. Step 6: Final answer
    x = 19,076.01

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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.