Home / 34,877.18-48,127.42-19,355.20

Finding the Fourth Proportional to 34,877.18, 48,127.42 and 19,355.20

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Solution

The fourth proportional to 34,877.18, 48,127.42 and 19,355.20 is: 26,708.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,877.18 : 48,127.42 = 19,355.20 : x
  2. Step 2: Convert to fraction form
    34,877.18/48,127.42 = 19,355.20/x
  3. Step 3: Cross multiply
    34,877.18x = 48,127.42 × 19,355.20
  4. Step 4: Simplify right side
    34,877.18x = 931,515,670.88
  5. Step 5: Solve for x
    x = 931,515,670.88/34,877.18
  6. Step 6: Final answer
    x = 26,708.46

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1.5x scale

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.