Home / 42,546.66-63,819.96-19,145.76

Finding the Fourth Proportional to 42,546.66, 63,819.96 and 19,145.76

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Solution

The fourth proportional to 42,546.66, 63,819.96 and 19,145.76 is: 28,718.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,546.66 : 63,819.96 = 19,145.76 : x
  2. Step 2: Convert to fraction form
    42,546.66/63,819.96 = 19,145.76/x
  3. Step 3: Cross multiply
    42,546.66x = 63,819.96 × 19,145.76
  4. Step 4: Simplify right side
    42,546.66x = 1,221,881,637.37
  5. Step 5: Solve for x
    x = 1,221,881,637.37/42,546.66
  6. Step 6: Final answer
    x = 28,718.63

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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.