Home / 42,456.48-63,680.81-14,373.33

Finding the Fourth Proportional to 42,456.48, 63,680.81 and 14,373.33

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Solution

The fourth proportional to 42,456.48, 63,680.81 and 14,373.33 is: 21,558.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,456.48 : 63,680.81 = 14,373.33 : x
  2. Step 2: Convert to fraction form
    42,456.48/63,680.81 = 14,373.33/x
  3. Step 3: Cross multiply
    42,456.48x = 63,680.81 × 14,373.33
  4. Step 4: Simplify right side
    42,456.48x = 915,305,296.80
  5. Step 5: Solve for x
    x = 915,305,296.80/42,456.48
  6. Step 6: Final answer
    x = 21,558.67

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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.