Home / 61,236.18-84,510.81-34,380.45

Finding the Fourth Proportional to 61,236.18, 84,510.81 and 34,380.45

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Solution

The fourth proportional to 61,236.18, 84,510.81 and 34,380.45 is: 47,447.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,236.18 : 84,510.81 = 34,380.45 : x
  2. Step 2: Convert to fraction form
    61,236.18/84,510.81 = 34,380.45/x
  3. Step 3: Cross multiply
    61,236.18x = 84,510.81 × 34,380.45
  4. Step 4: Simplify right side
    61,236.18x = 2,905,519,677.66
  5. Step 5: Solve for x
    x = 2,905,519,677.66/61,236.18
  6. Step 6: Final answer
    x = 47,447.76

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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.