Home / 53,585.64-73,931.36-30,921.66

Finding the Fourth Proportional to 53,585.64, 73,931.36 and 30,921.66

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Solution

The fourth proportional to 53,585.64, 73,931.36 and 30,921.66 is: 42,662.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,585.64 : 73,931.36 = 30,921.66 : x
  2. Step 2: Convert to fraction form
    53,585.64/73,931.36 = 30,921.66/x
  3. Step 3: Cross multiply
    53,585.64x = 73,931.36 × 30,921.66
  4. Step 4: Simplify right side
    53,585.64x = 2,286,080,222.65
  5. Step 5: Solve for x
    x = 2,286,080,222.65/53,585.64
  6. Step 6: Final answer
    x = 42,662.18

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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.