Home / 42,284.32-63,427.54-14,205.36

Finding the Fourth Proportional to 42,284.32, 63,427.54 and 14,205.36

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Solution

The fourth proportional to 42,284.32, 63,427.54 and 14,205.36 is: 21,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,284.32 : 63,427.54 = 14,205.36 : x
  2. Step 2: Convert to fraction form
    42,284.32/63,427.54 = 14,205.36/x
  3. Step 3: Cross multiply
    42,284.32x = 63,427.54 × 14,205.36
  4. Step 4: Simplify right side
    42,284.32x = 901,011,039.61
  5. Step 5: Solve for x
    x = 901,011,039.61/42,284.32
  6. Step 6: Final answer
    x = 21,308.40

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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.