Home / 30,875.14-46,310.88-19,031.18

Finding the Fourth Proportional to 30,875.14, 46,310.88 and 19,031.18

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Solution

The fourth proportional to 30,875.14, 46,310.88 and 19,031.18 is: 28,545.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,875.14 : 46,310.88 = 19,031.18 : x
  2. Step 2: Convert to fraction form
    30,875.14/46,310.88 = 19,031.18/x
  3. Step 3: Cross multiply
    30,875.14x = 46,310.88 × 19,031.18
  4. Step 4: Simplify right side
    30,875.14x = 881,350,461.68
  5. Step 5: Solve for x
    x = 881,350,461.68/30,875.14
  6. Step 6: Final answer
    x = 28,545.64

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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.