Home / 45,490.21-68,192.15-15,888.76

Finding the Fourth Proportional to 45,490.21, 68,192.15 and 15,888.76

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Solution

The fourth proportional to 45,490.21, 68,192.15 and 15,888.76 is: 23,818.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,490.21 : 68,192.15 = 15,888.76 : x
  2. Step 2: Convert to fraction form
    45,490.21/68,192.15 = 15,888.76/x
  3. Step 3: Cross multiply
    45,490.21x = 68,192.15 × 15,888.76
  4. Step 4: Simplify right side
    45,490.21x = 1,083,488,455.31
  5. Step 5: Solve for x
    x = 1,083,488,455.31/45,490.21
  6. Step 6: Final answer
    x = 23,818.06

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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.