Home / 42,284.40-63,403.56-21,525.36

Finding the Fourth Proportional to 42,284.40, 63,403.56 and 21,525.36

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Solution

The fourth proportional to 42,284.40, 63,403.56 and 21,525.36 is: 32,276.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,284.40 : 63,403.56 = 21,525.36 : x
  2. Step 2: Convert to fraction form
    42,284.40/63,403.56 = 21,525.36/x
  3. Step 3: Cross multiply
    42,284.40x = 63,403.56 × 21,525.36
  4. Step 4: Simplify right side
    42,284.40x = 1,364,784,454.28
  5. Step 5: Solve for x
    x = 1,364,784,454.28/42,284.40
  6. Step 6: Final answer
    x = 32,276.31

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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.