Home / 30,316.15-45,474.34-10,327.65

Finding the Fourth Proportional to 30,316.15, 45,474.34 and 10,327.65

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Solution

The fourth proportional to 30,316.15, 45,474.34 and 10,327.65 is: 15,491.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,316.15 : 45,474.34 = 10,327.65 : x
  2. Step 2: Convert to fraction form
    30,316.15/45,474.34 = 10,327.65/x
  3. Step 3: Cross multiply
    30,316.15x = 45,474.34 × 10,327.65
  4. Step 4: Simplify right side
    30,316.15x = 469,643,117.26
  5. Step 5: Solve for x
    x = 469,643,117.26/30,316.15
  6. Step 6: Final answer
    x = 15,491.52

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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.