Home / 30,152.36-41,572.01-21,548.81

Finding the Fourth Proportional to 30,152.36, 41,572.01 and 21,548.81

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Solution

The fourth proportional to 30,152.36, 41,572.01 and 21,548.81 is: 29,710.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,152.36 : 41,572.01 = 21,548.81 : x
  2. Step 2: Convert to fraction form
    30,152.36/41,572.01 = 21,548.81/x
  3. Step 3: Cross multiply
    30,152.36x = 41,572.01 × 21,548.81
  4. Step 4: Simplify right side
    30,152.36x = 895,827,029.20
  5. Step 5: Solve for x
    x = 895,827,029.20/30,152.36
  6. Step 6: Final answer
    x = 29,710.02

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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.