Home / 57,985.47-86,973.35-29,890.35

Finding the Fourth Proportional to 57,985.47, 86,973.35 and 29,890.35

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Solution

The fourth proportional to 57,985.47, 86,973.35 and 29,890.35 is: 44,833.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,985.47 : 86,973.35 = 29,890.35 : x
  2. Step 2: Convert to fraction form
    57,985.47/86,973.35 = 29,890.35/x
  3. Step 3: Cross multiply
    57,985.47x = 86,973.35 × 29,890.35
  4. Step 4: Simplify right side
    57,985.47x = 2,599,663,722.72
  5. Step 5: Solve for x
    x = 2,599,663,722.72/57,985.47
  6. Step 6: Final answer
    x = 44,833.02

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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.