Home / 34,703.34-47,890.64-18,787.80

Finding the Fourth Proportional to 34,703.34, 47,890.64 and 18,787.80

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Solution

The fourth proportional to 34,703.34, 47,890.64 and 18,787.80 is: 25,927.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,703.34 : 47,890.64 = 18,787.80 : x
  2. Step 2: Convert to fraction form
    34,703.34/47,890.64 = 18,787.80/x
  3. Step 3: Cross multiply
    34,703.34x = 47,890.64 × 18,787.80
  4. Step 4: Simplify right side
    34,703.34x = 899,759,672.25
  5. Step 5: Solve for x
    x = 899,759,672.25/34,703.34
  6. Step 6: Final answer
    x = 25,927.18

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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.