Home / 35,970.27-49,637.15-19,840.39

Finding the Fourth Proportional to 35,970.27, 49,637.15 and 19,840.39

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Solution

The fourth proportional to 35,970.27, 49,637.15 and 19,840.39 is: 27,378.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,970.27 : 49,637.15 = 19,840.39 : x
  2. Step 2: Convert to fraction form
    35,970.27/49,637.15 = 19,840.39/x
  3. Step 3: Cross multiply
    35,970.27x = 49,637.15 × 19,840.39
  4. Step 4: Simplify right side
    35,970.27x = 984,820,191.19
  5. Step 5: Solve for x
    x = 984,820,191.19/35,970.27
  6. Step 6: Final answer
    x = 27,378.73

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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.