Home / 42,383.07-63,573.06-12,800.15

Finding the Fourth Proportional to 42,383.07, 63,573.06 and 12,800.15

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Solution

The fourth proportional to 42,383.07, 63,573.06 and 12,800.15 is: 19,199.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,383.07 : 63,573.06 = 12,800.15 : x
  2. Step 2: Convert to fraction form
    42,383.07/63,573.06 = 12,800.15/x
  3. Step 3: Cross multiply
    42,383.07x = 63,573.06 × 12,800.15
  4. Step 4: Simplify right side
    42,383.07x = 813,744,386.09
  5. Step 5: Solve for x
    x = 813,744,386.09/42,383.07
  6. Step 6: Final answer
    x = 19,199.75

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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.