Home / 30,316.26-45,448.02-12,535.84

Finding the Fourth Proportional to 30,316.26, 45,448.02 and 12,535.84

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Solution

The fourth proportional to 30,316.26, 45,448.02 and 12,535.84 is: 18,792.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,316.26 : 45,448.02 = 12,535.84 : x
  2. Step 2: Convert to fraction form
    30,316.26/45,448.02 = 12,535.84/x
  3. Step 3: Cross multiply
    30,316.26x = 45,448.02 × 12,535.84
  4. Step 4: Simplify right side
    30,316.26x = 569,729,088.91
  5. Step 5: Solve for x
    x = 569,729,088.91/30,316.26
  6. Step 6: Final answer
    x = 18,792.85

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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.