Home / 54,237.60-74,848.86-30,364.20

Finding the Fourth Proportional to 54,237.60, 74,848.86 and 30,364.20

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Solution

The fourth proportional to 54,237.60, 74,848.86 and 30,364.20 is: 41,903.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,237.60 : 74,848.86 = 30,364.20 : x
  2. Step 2: Convert to fraction form
    54,237.60/74,848.86 = 30,364.20/x
  3. Step 3: Cross multiply
    54,237.60x = 74,848.86 × 30,364.20
  4. Step 4: Simplify right side
    54,237.60x = 2,272,725,754.81
  5. Step 5: Solve for x
    x = 2,272,725,754.81/54,237.60
  6. Step 6: Final answer
    x = 41,903.14

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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.