Home / 54,338-74,962.68-38,436.08

Finding the Fourth Proportional to 54,338, 74,962.68 and 38,436.08

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Solution

The fourth proportional to 54,338, 74,962.68 and 38,436.08 is: 53,024.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,338 : 74,962.68 = 38,436.08 : x
  2. Step 2: Convert to fraction form
    54,338/74,962.68 = 38,436.08/x
  3. Step 3: Cross multiply
    54,338x = 74,962.68 × 38,436.08
  4. Step 4: Simplify right side
    54,338x = 2,881,271,565.49
  5. Step 5: Solve for x
    x = 2,881,271,565.49/54,338
  6. Step 6: Final answer
    x = 53,024.98

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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.