Home / 35,535.40-53,310.30-12,164.20

Finding the Fourth Proportional to 35,535.40, 53,310.30 and 12,164.20

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Solution

The fourth proportional to 35,535.40, 53,310.30 and 12,164.20 is: 18,248.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,535.40 : 53,310.30 = 12,164.20 : x
  2. Step 2: Convert to fraction form
    35,535.40/53,310.30 = 12,164.20/x
  3. Step 3: Cross multiply
    35,535.40x = 53,310.30 × 12,164.20
  4. Step 4: Simplify right side
    35,535.40x = 648,477,151.26
  5. Step 5: Solve for x
    x = 648,477,151.26/35,535.40
  6. Step 6: Final answer
    x = 18,248.76

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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.