Home / 53,070.39-73,228.79-30,405.02

Finding the Fourth Proportional to 53,070.39, 73,228.79 and 30,405.02

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Solution

The fourth proportional to 53,070.39, 73,228.79 and 30,405.02 is: 41,954.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,070.39 : 73,228.79 = 30,405.02 : x
  2. Step 2: Convert to fraction form
    53,070.39/73,228.79 = 30,405.02/x
  3. Step 3: Cross multiply
    53,070.39x = 73,228.79 × 30,405.02
  4. Step 4: Simplify right side
    53,070.39x = 2,226,522,534.39
  5. Step 5: Solve for x
    x = 2,226,522,534.39/53,070.39
  6. Step 6: Final answer
    x = 41,954.14

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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.