Home / 53,207.64-73,421.07-30,541.20

Finding the Fourth Proportional to 53,207.64, 73,421.07 and 30,541.20

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Solution

The fourth proportional to 53,207.64, 73,421.07 and 30,541.20 is: 42,143.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,207.64 : 73,421.07 = 30,541.20 : x
  2. Step 2: Convert to fraction form
    53,207.64/73,421.07 = 30,541.20/x
  3. Step 3: Cross multiply
    53,207.64x = 73,421.07 × 30,541.20
  4. Step 4: Simplify right side
    53,207.64x = 2,242,367,583.08
  5. Step 5: Solve for x
    x = 2,242,367,583.08/53,207.64
  6. Step 6: Final answer
    x = 42,143.71

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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.