Home / 42,300.60-63,456.38-14,208.59

Finding the Fourth Proportional to 42,300.60, 63,456.38 and 14,208.59

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Solution

The fourth proportional to 42,300.60, 63,456.38 and 14,208.59 is: 21,314.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,300.60 : 63,456.38 = 14,208.59 : x
  2. Step 2: Convert to fraction form
    42,300.60/63,456.38 = 14,208.59/x
  3. Step 3: Cross multiply
    42,300.60x = 63,456.38 × 14,208.59
  4. Step 4: Simplify right side
    42,300.60x = 901,625,297.98
  5. Step 5: Solve for x
    x = 901,625,297.98/42,300.60
  6. Step 6: Final answer
    x = 21,314.72

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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.