Home / 31,572.16-43,574.88-18,998.08

Finding the Fourth Proportional to 31,572.16, 43,574.88 and 18,998.08

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Solution

The fourth proportional to 31,572.16, 43,574.88 and 18,998.08 is: 26,220.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,572.16 : 43,574.88 = 18,998.08 : x
  2. Step 2: Convert to fraction form
    31,572.16/43,574.88 = 18,998.08/x
  3. Step 3: Cross multiply
    31,572.16x = 43,574.88 × 18,998.08
  4. Step 4: Simplify right side
    31,572.16x = 827,839,056.23
  5. Step 5: Solve for x
    x = 827,839,056.23/31,572.16
  6. Step 6: Final answer
    x = 26,220.54

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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.