Home / 42,311.54-63,472.76-14,219.48

Finding the Fourth Proportional to 42,311.54, 63,472.76 and 14,219.48

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Solution

The fourth proportional to 42,311.54, 63,472.76 and 14,219.48 is: 21,331.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,311.54 : 63,472.76 = 14,219.48 : x
  2. Step 2: Convert to fraction form
    42,311.54/63,472.76 = 14,219.48/x
  3. Step 3: Cross multiply
    42,311.54x = 63,472.76 × 14,219.48
  4. Step 4: Simplify right side
    42,311.54x = 902,549,641.36
  5. Step 5: Solve for x
    x = 902,549,641.36/42,311.54
  6. Step 6: Final answer
    x = 21,331.05

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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.