Home / 42,095.09-63,152.35-12,512.27

Finding the Fourth Proportional to 42,095.09, 63,152.35 and 12,512.27

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Solution

The fourth proportional to 42,095.09, 63,152.35 and 12,512.27 is: 18,771.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,095.09 : 63,152.35 = 12,512.27 : x
  2. Step 2: Convert to fraction form
    42,095.09/63,152.35 = 12,512.27/x
  3. Step 3: Cross multiply
    42,095.09x = 63,152.35 × 12,512.27
  4. Step 4: Simplify right side
    42,095.09x = 790,178,907.29
  5. Step 5: Solve for x
    x = 790,178,907.29/42,095.09
  6. Step 6: Final answer
    x = 18,771.29

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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.