Home / 64,521.31-89,040.45-35,842.80

Finding the Fourth Proportional to 64,521.31, 89,040.45 and 35,842.80

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Solution

The fourth proportional to 64,521.31, 89,040.45 and 35,842.80 is: 49,463.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,521.31 : 89,040.45 = 35,842.80 : x
  2. Step 2: Convert to fraction form
    64,521.31/89,040.45 = 35,842.80/x
  3. Step 3: Cross multiply
    64,521.31x = 89,040.45 × 35,842.80
  4. Step 4: Simplify right side
    64,521.31x = 3,191,459,307.96
  5. Step 5: Solve for x
    x = 3,191,459,307.96/64,521.31
  6. Step 6: Final answer
    x = 49,463.65

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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.