Home / 45,239.32-67,865.46-14,077.72

Finding the Fourth Proportional to 45,239.32, 67,865.46 and 14,077.72

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Solution

The fourth proportional to 45,239.32, 67,865.46 and 14,077.72 is: 21,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,239.32 : 67,865.46 = 14,077.72 : x
  2. Step 2: Convert to fraction form
    45,239.32/67,865.46 = 14,077.72/x
  3. Step 3: Cross multiply
    45,239.32x = 67,865.46 × 14,077.72
  4. Step 4: Simplify right side
    45,239.32x = 955,390,943.55
  5. Step 5: Solve for x
    x = 955,390,943.55/45,239.32
  6. Step 6: Final answer
    x = 21,118.60

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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.