Home / 35,340.55-53,011.06-10,380.50

Finding the Fourth Proportional to 35,340.55, 53,011.06 and 10,380.50

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Solution

The fourth proportional to 35,340.55, 53,011.06 and 10,380.50 is: 15,570.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,340.55 : 53,011.06 = 10,380.50 : x
  2. Step 2: Convert to fraction form
    35,340.55/53,011.06 = 10,380.50/x
  3. Step 3: Cross multiply
    35,340.55x = 53,011.06 × 10,380.50
  4. Step 4: Simplify right side
    35,340.55x = 550,281,514.30
  5. Step 5: Solve for x
    x = 550,281,514.30/35,340.55
  6. Step 6: Final answer
    x = 15,570.82

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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.