Home / 54,001.62-74,521.53-30,130.92

Finding the Fourth Proportional to 54,001.62, 74,521.53 and 30,130.92

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Solution

The fourth proportional to 54,001.62, 74,521.53 and 30,130.92 is: 41,580.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,001.62 : 74,521.53 = 30,130.92 : x
  2. Step 2: Convert to fraction form
    54,001.62/74,521.53 = 30,130.92/x
  3. Step 3: Cross multiply
    54,001.62x = 74,521.53 × 30,130.92
  4. Step 4: Simplify right side
    54,001.62x = 2,245,402,258.71
  5. Step 5: Solve for x
    x = 2,245,402,258.71/54,001.62
  6. Step 6: Final answer
    x = 41,580.28

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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.