Home / 35,405.27-48,859.70-19,490.79

Finding the Fourth Proportional to 35,405.27, 48,859.70 and 19,490.79

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Solution

The fourth proportional to 35,405.27, 48,859.70 and 19,490.79 is: 26,897.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,405.27 : 48,859.70 = 19,490.79 : x
  2. Step 2: Convert to fraction form
    35,405.27/48,859.70 = 19,490.79/x
  3. Step 3: Cross multiply
    35,405.27x = 48,859.70 × 19,490.79
  4. Step 4: Simplify right side
    35,405.27x = 952,314,054.71
  5. Step 5: Solve for x
    x = 952,314,054.71/35,405.27
  6. Step 6: Final answer
    x = 26,897.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.