Home / 51,258.84-76,887.60-42,475.35

Finding the Fourth Proportional to 51,258.84, 76,887.60 and 42,475.35

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Solution

The fourth proportional to 51,258.84, 76,887.60 and 42,475.35 is: 63,712.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,258.84 : 76,887.60 = 42,475.35 : x
  2. Step 2: Convert to fraction form
    51,258.84/76,887.60 = 42,475.35/x
  3. Step 3: Cross multiply
    51,258.84x = 76,887.60 × 42,475.35
  4. Step 4: Simplify right side
    51,258.84x = 3,265,827,720.66
  5. Step 5: Solve for x
    x = 3,265,827,720.66/51,258.84
  6. Step 6: Final answer
    x = 63,712.48

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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.