Home / 34,236.89-47,230.56-21,483.72

Finding the Fourth Proportional to 34,236.89, 47,230.56 and 21,483.72

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Solution

The fourth proportional to 34,236.89, 47,230.56 and 21,483.72 is: 29,637.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,236.89 : 47,230.56 = 21,483.72 : x
  2. Step 2: Convert to fraction form
    34,236.89/47,230.56 = 21,483.72/x
  3. Step 3: Cross multiply
    34,236.89x = 47,230.56 × 21,483.72
  4. Step 4: Simplify right side
    34,236.89x = 1,014,688,126.48
  5. Step 5: Solve for x
    x = 1,014,688,126.48/34,236.89
  6. Step 6: Final answer
    x = 29,637.28

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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.