Home / 34,737.31-47,938.37-21,315.98

Finding the Fourth Proportional to 34,737.31, 47,938.37 and 21,315.98

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Solution

The fourth proportional to 34,737.31, 47,938.37 and 21,315.98 is: 29,416.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,737.31 : 47,938.37 = 21,315.98 : x
  2. Step 2: Convert to fraction form
    34,737.31/47,938.37 = 21,315.98/x
  3. Step 3: Cross multiply
    34,737.31x = 47,938.37 × 21,315.98
  4. Step 4: Simplify right side
    34,737.31x = 1,021,853,259.62
  5. Step 5: Solve for x
    x = 1,021,853,259.62/34,737.31
  6. Step 6: Final answer
    x = 29,416.60

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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.