Home / 54,669.85-75,444.06-30,804.21

Finding the Fourth Proportional to 54,669.85, 75,444.06 and 30,804.21

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Solution

The fourth proportional to 54,669.85, 75,444.06 and 30,804.21 is: 42,509.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,669.85 : 75,444.06 = 30,804.21 : x
  2. Step 2: Convert to fraction form
    54,669.85/75,444.06 = 30,804.21/x
  3. Step 3: Cross multiply
    54,669.85x = 75,444.06 × 30,804.21
  4. Step 4: Simplify right side
    54,669.85x = 2,323,994,667.49
  5. Step 5: Solve for x
    x = 2,323,994,667.49/54,669.85
  6. Step 6: Final answer
    x = 42,509.62

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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.