Home / 35,419.02-53,128.35-14,358.75

Finding the Fourth Proportional to 35,419.02, 53,128.35 and 14,358.75

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Solution

The fourth proportional to 35,419.02, 53,128.35 and 14,358.75 is: 21,538.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,419.02 : 53,128.35 = 14,358.75 : x
  2. Step 2: Convert to fraction form
    35,419.02/53,128.35 = 14,358.75/x
  3. Step 3: Cross multiply
    35,419.02x = 53,128.35 × 14,358.75
  4. Step 4: Simplify right side
    35,419.02x = 762,856,695.56
  5. Step 5: Solve for x
    x = 762,856,695.56/35,419.02
  6. Step 6: Final answer
    x = 21,538.05

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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.