Home / 58,005.09-86,835.40-31,629.87

Finding the Fourth Proportional to 58,005.09, 86,835.40 and 31,629.87

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Solution

The fourth proportional to 58,005.09, 86,835.40 and 31,629.87 is: 47,350.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,005.09 : 86,835.40 = 31,629.87 : x
  2. Step 2: Convert to fraction form
    58,005.09/86,835.40 = 31,629.87/x
  3. Step 3: Cross multiply
    58,005.09x = 86,835.40 × 31,629.87
  4. Step 4: Simplify right side
    58,005.09x = 2,746,592,312.50
  5. Step 5: Solve for x
    x = 2,746,592,312.50/58,005.09
  6. Step 6: Final answer
    x = 47,350.89

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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.