Home / 30,316.55-45,476.51-9,259.79

Finding the Fourth Proportional to 30,316.55, 45,476.51 and 9,259.79

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Solution

The fourth proportional to 30,316.55, 45,476.51 and 9,259.79 is: 13,890.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,316.55 : 45,476.51 = 9,259.79 : x
  2. Step 2: Convert to fraction form
    30,316.55/45,476.51 = 9,259.79/x
  3. Step 3: Cross multiply
    30,316.55x = 45,476.51 × 9,259.79
  4. Step 4: Simplify right side
    30,316.55x = 421,102,658.85
  5. Step 5: Solve for x
    x = 421,102,658.85/30,316.55
  6. Step 6: Final answer
    x = 13,890.19

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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.