Home / 30,126.56-44,871.36-28,545.44

Finding the Fourth Proportional to 30,126.56, 44,871.36 and 28,545.44

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Solution

The fourth proportional to 30,126.56, 44,871.36 and 28,545.44 is: 42,516.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,126.56 : 44,871.36 = 28,545.44 : x
  2. Step 2: Convert to fraction form
    30,126.56/44,871.36 = 28,545.44/x
  3. Step 3: Cross multiply
    30,126.56x = 44,871.36 × 28,545.44
  4. Step 4: Simplify right side
    30,126.56x = 1,280,872,714.60
  5. Step 5: Solve for x
    x = 1,280,872,714.60/30,126.56
  6. Step 6: Final answer
    x = 42,516.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.