Home / 39,539.34-59,312.16-11,459.88

Finding the Fourth Proportional to 39,539.34, 59,312.16 and 11,459.88

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Solution

The fourth proportional to 39,539.34, 59,312.16 and 11,459.88 is: 17,190.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,539.34 : 59,312.16 = 11,459.88 : x
  2. Step 2: Convert to fraction form
    39,539.34/59,312.16 = 11,459.88/x
  3. Step 3: Cross multiply
    39,539.34x = 59,312.16 × 11,459.88
  4. Step 4: Simplify right side
    39,539.34x = 679,710,236.14
  5. Step 5: Solve for x
    x = 679,710,236.14/39,539.34
  6. Step 6: Final answer
    x = 17,190.73

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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.