Home / 63,461.03-87,577.34-34,778.78

Finding the Fourth Proportional to 63,461.03, 87,577.34 and 34,778.78

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Solution

The fourth proportional to 63,461.03, 87,577.34 and 34,778.78 is: 47,995.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,461.03 : 87,577.34 = 34,778.78 : x
  2. Step 2: Convert to fraction form
    63,461.03/87,577.34 = 34,778.78/x
  3. Step 3: Cross multiply
    63,461.03x = 87,577.34 × 34,778.78
  4. Step 4: Simplify right side
    63,461.03x = 3,045,832,602.96
  5. Step 5: Solve for x
    x = 3,045,832,602.96/63,461.03
  6. Step 6: Final answer
    x = 47,995.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.