Home / 53,293.28-73,549.74-30,645.53

Finding the Fourth Proportional to 53,293.28, 73,549.74 and 30,645.53

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Solution

The fourth proportional to 53,293.28, 73,549.74 and 30,645.53 is: 42,293.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,293.28 : 73,549.74 = 30,645.53 : x
  2. Step 2: Convert to fraction form
    53,293.28/73,549.74 = 30,645.53/x
  3. Step 3: Cross multiply
    53,293.28x = 73,549.74 × 30,645.53
  4. Step 4: Simplify right side
    53,293.28x = 2,253,970,786.65
  5. Step 5: Solve for x
    x = 2,253,970,786.65/53,293.28
  6. Step 6: Final answer
    x = 42,293.72

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Double scale
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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.