Home / 30,036.33-45,064.22-21,152.25

Finding the Fourth Proportional to 30,036.33, 45,064.22 and 21,152.25

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Solution

The fourth proportional to 30,036.33, 45,064.22 and 21,152.25 is: 31,735.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,036.33 : 45,064.22 = 21,152.25 : x
  2. Step 2: Convert to fraction form
    30,036.33/45,064.22 = 21,152.25/x
  3. Step 3: Cross multiply
    30,036.33x = 45,064.22 × 21,152.25
  4. Step 4: Simplify right side
    30,036.33x = 953,209,541.73
  5. Step 5: Solve for x
    x = 953,209,541.73/30,036.33
  6. Step 6: Final answer
    x = 31,735.22

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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.