Home / 45,886.06-68,820.86-12,152.29

Finding the Fourth Proportional to 45,886.06, 68,820.86 and 12,152.29

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Solution

The fourth proportional to 45,886.06, 68,820.86 and 12,152.29 is: 18,226.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,886.06 : 68,820.86 = 12,152.29 : x
  2. Step 2: Convert to fraction form
    45,886.06/68,820.86 = 12,152.29/x
  3. Step 3: Cross multiply
    45,886.06x = 68,820.86 × 12,152.29
  4. Step 4: Simplify right side
    45,886.06x = 836,331,048.77
  5. Step 5: Solve for x
    x = 836,331,048.77/45,886.06
  6. Step 6: Final answer
    x = 18,226.26

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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.