Home / 30,484.68-45,725.64-11,761.26

Finding the Fourth Proportional to 30,484.68, 45,725.64 and 11,761.26

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Solution

The fourth proportional to 30,484.68, 45,725.64 and 11,761.26 is: 17,641.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,484.68 : 45,725.64 = 11,761.26 : x
  2. Step 2: Convert to fraction form
    30,484.68/45,725.64 = 11,761.26/x
  3. Step 3: Cross multiply
    30,484.68x = 45,725.64 × 11,761.26
  4. Step 4: Simplify right side
    30,484.68x = 537,791,140.71
  5. Step 5: Solve for x
    x = 537,791,140.71/30,484.68
  6. Step 6: Final answer
    x = 17,641.36

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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.