Home / 45,733.16-68,600.95-12,453.91

Finding the Fourth Proportional to 45,733.16, 68,600.95 and 12,453.91

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Solution

The fourth proportional to 45,733.16, 68,600.95 and 12,453.91 is: 18,681.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,733.16 : 68,600.95 = 12,453.91 : x
  2. Step 2: Convert to fraction form
    45,733.16/68,600.95 = 12,453.91/x
  3. Step 3: Cross multiply
    45,733.16x = 68,600.95 × 12,453.91
  4. Step 4: Simplify right side
    45,733.16x = 854,349,854.58
  5. Step 5: Solve for x
    x = 854,349,854.58/45,733.16
  6. Step 6: Final answer
    x = 18,681.19

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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.