Home / 54,809.04-75,639.88-30,927

Finding the Fourth Proportional to 54,809.04, 75,639.88 and 30,927

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Solution

The fourth proportional to 54,809.04, 75,639.88 and 30,927 is: 42,681.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,809.04 : 75,639.88 = 30,927 : x
  2. Step 2: Convert to fraction form
    54,809.04/75,639.88 = 30,927/x
  3. Step 3: Cross multiply
    54,809.04x = 75,639.88 × 30,927
  4. Step 4: Simplify right side
    54,809.04x = 2,339,314,568.76
  5. Step 5: Solve for x
    x = 2,339,314,568.76/54,809.04
  6. Step 6: Final answer
    x = 42,681.18

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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.