Home / 30,444.70-42,016.71-17,869.18

Finding the Fourth Proportional to 30,444.70, 42,016.71 and 17,869.18

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Solution

The fourth proportional to 30,444.70, 42,016.71 and 17,869.18 is: 24,661.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,444.70 : 42,016.71 = 17,869.18 : x
  2. Step 2: Convert to fraction form
    30,444.70/42,016.71 = 17,869.18/x
  3. Step 3: Cross multiply
    30,444.70x = 42,016.71 × 17,869.18
  4. Step 4: Simplify right side
    30,444.70x = 750,804,154.00
  5. Step 5: Solve for x
    x = 750,804,154.00/30,444.70
  6. Step 6: Final answer
    x = 24,661.24

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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.