Home / 35,115.42-48,459.28-19,199.87

Finding the Fourth Proportional to 35,115.42, 48,459.28 and 19,199.87

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Solution

The fourth proportional to 35,115.42, 48,459.28 and 19,199.87 is: 26,495.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,115.42 : 48,459.28 = 19,199.87 : x
  2. Step 2: Convert to fraction form
    35,115.42/48,459.28 = 19,199.87/x
  3. Step 3: Cross multiply
    35,115.42x = 48,459.28 × 19,199.87
  4. Step 4: Simplify right side
    35,115.42x = 930,411,803.72
  5. Step 5: Solve for x
    x = 930,411,803.72/35,115.42
  6. Step 6: Final answer
    x = 26,495.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.