Home / 30,046.28-45,026.36-16,870.97

Finding the Fourth Proportional to 30,046.28, 45,026.36 and 16,870.97

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Solution

The fourth proportional to 30,046.28, 45,026.36 and 16,870.97 is: 25,282.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,046.28 : 45,026.36 = 16,870.97 : x
  2. Step 2: Convert to fraction form
    30,046.28/45,026.36 = 16,870.97/x
  3. Step 3: Cross multiply
    30,046.28x = 45,026.36 × 16,870.97
  4. Step 4: Simplify right side
    30,046.28x = 759,638,368.77
  5. Step 5: Solve for x
    x = 759,638,368.77/30,046.28
  6. Step 6: Final answer
    x = 25,282.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.