Home / 34,780.18-47,989.65-22,038.34

Finding the Fourth Proportional to 34,780.18, 47,989.65 and 22,038.34

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Solution

The fourth proportional to 34,780.18, 47,989.65 and 22,038.34 is: 30,408.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,780.18 : 47,989.65 = 22,038.34 : x
  2. Step 2: Convert to fraction form
    34,780.18/47,989.65 = 22,038.34/x
  3. Step 3: Cross multiply
    34,780.18x = 47,989.65 × 22,038.34
  4. Step 4: Simplify right side
    34,780.18x = 1,057,612,223.18
  5. Step 5: Solve for x
    x = 1,057,612,223.18/34,780.18
  6. Step 6: Final answer
    x = 30,408.47

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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.