Home / 34,851.10-52,278.65-9,889.20

Finding the Fourth Proportional to 34,851.10, 52,278.65 and 9,889.20

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Solution

The fourth proportional to 34,851.10, 52,278.65 and 9,889.20 is: 14,834.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,851.10 : 52,278.65 = 9,889.20 : x
  2. Step 2: Convert to fraction form
    34,851.10/52,278.65 = 9,889.20/x
  3. Step 3: Cross multiply
    34,851.10x = 52,278.65 × 9,889.20
  4. Step 4: Simplify right side
    34,851.10x = 516,994,025.58
  5. Step 5: Solve for x
    x = 516,994,025.58/34,851.10
  6. Step 6: Final answer
    x = 14,834.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.