Home / 42,305.20-63,445.44-14,222.08

Finding the Fourth Proportional to 42,305.20, 63,445.44 and 14,222.08

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Solution

The fourth proportional to 42,305.20, 63,445.44 and 14,222.08 is: 21,328.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,305.20 : 63,445.44 = 14,222.08 : x
  2. Step 2: Convert to fraction form
    42,305.20/63,445.44 = 14,222.08/x
  3. Step 3: Cross multiply
    42,305.20x = 63,445.44 × 14,222.08
  4. Step 4: Simplify right side
    42,305.20x = 902,326,123.32
  5. Step 5: Solve for x
    x = 902,326,123.32/42,305.20
  6. Step 6: Final answer
    x = 21,328.96

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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.