Home / 30,609.36-45,870.84-13,073.04

Finding the Fourth Proportional to 30,609.36, 45,870.84 and 13,073.04

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Solution

The fourth proportional to 30,609.36, 45,870.84 and 13,073.04 is: 19,591.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,609.36 : 45,870.84 = 13,073.04 : x
  2. Step 2: Convert to fraction form
    30,609.36/45,870.84 = 13,073.04/x
  3. Step 3: Cross multiply
    30,609.36x = 45,870.84 × 13,073.04
  4. Step 4: Simplify right side
    30,609.36x = 599,671,326.15
  5. Step 5: Solve for x
    x = 599,671,326.15/30,609.36
  6. Step 6: Final answer
    x = 19,591.11

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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.