Home / 55,304.40-76,319.88-30,153.90

Finding the Fourth Proportional to 55,304.40, 76,319.88 and 30,153.90

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Solution

The fourth proportional to 55,304.40, 76,319.88 and 30,153.90 is: 41,612.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,304.40 : 76,319.88 = 30,153.90 : x
  2. Step 2: Convert to fraction form
    55,304.40/76,319.88 = 30,153.90/x
  3. Step 3: Cross multiply
    55,304.40x = 76,319.88 × 30,153.90
  4. Step 4: Simplify right side
    55,304.40x = 2,301,342,029.53
  5. Step 5: Solve for x
    x = 2,301,342,029.53/55,304.40
  6. Step 6: Final answer
    x = 41,612.28

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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.