Home / 60,637.32-90,945.14-21,205.74

Finding the Fourth Proportional to 60,637.32, 90,945.14 and 21,205.74

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Solution

The fourth proportional to 60,637.32, 90,945.14 and 21,205.74 is: 31,804.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,637.32 : 90,945.14 = 21,205.74 : x
  2. Step 2: Convert to fraction form
    60,637.32/90,945.14 = 21,205.74/x
  3. Step 3: Cross multiply
    60,637.32x = 90,945.14 × 21,205.74
  4. Step 4: Simplify right side
    60,637.32x = 1,928,558,993.10
  5. Step 5: Solve for x
    x = 1,928,558,993.10/60,637.32
  6. Step 6: Final answer
    x = 31,804.82

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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.