Home / 42,276.60-63,415.91-14,197.58

Finding the Fourth Proportional to 42,276.60, 63,415.91 and 14,197.58

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Solution

The fourth proportional to 42,276.60, 63,415.91 and 14,197.58 is: 21,296.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,276.60 : 63,415.91 = 14,197.58 : x
  2. Step 2: Convert to fraction form
    42,276.60/63,415.91 = 14,197.58/x
  3. Step 3: Cross multiply
    42,276.60x = 63,415.91 × 14,197.58
  4. Step 4: Simplify right side
    42,276.60x = 900,352,411.72
  5. Step 5: Solve for x
    x = 900,352,411.72/42,276.60
  6. Step 6: Final answer
    x = 21,296.71

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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.