Home / 45,444.70-68,140.32-19,135.18

Finding the Fourth Proportional to 45,444.70, 68,140.32 and 19,135.18

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Solution

The fourth proportional to 45,444.70, 68,140.32 and 19,135.18 is: 28,691.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,444.70 : 68,140.32 = 19,135.18 : x
  2. Step 2: Convert to fraction form
    45,444.70/68,140.32 = 19,135.18/x
  3. Step 3: Cross multiply
    45,444.70x = 68,140.32 × 19,135.18
  4. Step 4: Simplify right side
    45,444.70x = 1,303,877,288.46
  5. Step 5: Solve for x
    x = 1,303,877,288.46/45,444.70
  6. Step 6: Final answer
    x = 28,691.51

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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.