Home / 30,545.58-45,819.59-14,531.28

Finding the Fourth Proportional to 30,545.58, 45,819.59 and 14,531.28

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Solution

The fourth proportional to 30,545.58, 45,819.59 and 14,531.28 is: 21,797.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,545.58 : 45,819.59 = 14,531.28 : x
  2. Step 2: Convert to fraction form
    30,545.58/45,819.59 = 14,531.28/x
  3. Step 3: Cross multiply
    30,545.58x = 45,819.59 × 14,531.28
  4. Step 4: Simplify right side
    30,545.58x = 665,817,291.78
  5. Step 5: Solve for x
    x = 665,817,291.78/30,545.58
  6. Step 6: Final answer
    x = 21,797.50

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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.