Home / 39,512.70-59,254.65-13,218.30

Finding the Fourth Proportional to 39,512.70, 59,254.65 and 13,218.30

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Solution

The fourth proportional to 39,512.70, 59,254.65 and 13,218.30 is: 19,822.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,512.70 : 59,254.65 = 13,218.30 : x
  2. Step 2: Convert to fraction form
    39,512.70/59,254.65 = 13,218.30/x
  3. Step 3: Cross multiply
    39,512.70x = 59,254.65 × 13,218.30
  4. Step 4: Simplify right side
    39,512.70x = 783,245,740.10
  5. Step 5: Solve for x
    x = 783,245,740.10/39,512.70
  6. Step 6: Final answer
    x = 19,822.63

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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.