Home / 42,288.12-63,419.94-14,205.06

Finding the Fourth Proportional to 42,288.12, 63,419.94 and 14,205.06

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Solution

The fourth proportional to 42,288.12, 63,419.94 and 14,205.06 is: 21,303.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,288.12 : 63,419.94 = 14,205.06 : x
  2. Step 2: Convert to fraction form
    42,288.12/63,419.94 = 14,205.06/x
  3. Step 3: Cross multiply
    42,288.12x = 63,419.94 × 14,205.06
  4. Step 4: Simplify right side
    42,288.12x = 900,884,052.90
  5. Step 5: Solve for x
    x = 900,884,052.90/42,288.12
  6. Step 6: Final answer
    x = 21,303.48

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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.