Home / 52,628.68-72,618.42-31,406.68

Finding the Fourth Proportional to 52,628.68, 72,618.42 and 31,406.68

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Solution

The fourth proportional to 52,628.68, 72,618.42 and 31,406.68 is: 43,335.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,628.68 : 72,618.42 = 31,406.68 : x
  2. Step 2: Convert to fraction form
    52,628.68/72,618.42 = 31,406.68/x
  3. Step 3: Cross multiply
    52,628.68x = 72,618.42 × 31,406.68
  4. Step 4: Simplify right side
    52,628.68x = 2,280,703,479.05
  5. Step 5: Solve for x
    x = 2,280,703,479.05/52,628.68
  6. Step 6: Final answer
    x = 43,335.75

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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.