Home / 52,167.16-71,979.60-30,953.32

Finding the Fourth Proportional to 52,167.16, 71,979.60 and 30,953.32

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Solution

The fourth proportional to 52,167.16, 71,979.60 and 30,953.32 is: 42,709.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,167.16 : 71,979.60 = 30,953.32 : x
  2. Step 2: Convert to fraction form
    52,167.16/71,979.60 = 30,953.32/x
  3. Step 3: Cross multiply
    52,167.16x = 71,979.60 × 30,953.32
  4. Step 4: Simplify right side
    52,167.16x = 2,228,007,592.27
  5. Step 5: Solve for x
    x = 2,228,007,592.27/52,167.16
  6. Step 6: Final answer
    x = 42,709.01

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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.