Home / 30,306.25-45,459.36-9,529.75

Finding the Fourth Proportional to 30,306.25, 45,459.36 and 9,529.75

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Solution

The fourth proportional to 30,306.25, 45,459.36 and 9,529.75 is: 14,294.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,306.25 : 45,459.36 = 9,529.75 : x
  2. Step 2: Convert to fraction form
    30,306.25/45,459.36 = 9,529.75/x
  3. Step 3: Cross multiply
    30,306.25x = 45,459.36 × 9,529.75
  4. Step 4: Simplify right side
    30,306.25x = 433,216,108.66
  5. Step 5: Solve for x
    x = 433,216,108.66/30,306.25
  6. Step 6: Final answer
    x = 14,294.62

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Similar ratio
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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.