Home / 62,715.60-86,543.64-34,421.09

Finding the Fourth Proportional to 62,715.60, 86,543.64 and 34,421.09

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Solution

The fourth proportional to 62,715.60, 86,543.64 and 34,421.09 is: 47,498.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,715.60 : 86,543.64 = 34,421.09 : x
  2. Step 2: Convert to fraction form
    62,715.60/86,543.64 = 34,421.09/x
  3. Step 3: Cross multiply
    62,715.60x = 86,543.64 × 34,421.09
  4. Step 4: Simplify right side
    62,715.60x = 2,978,925,988.65
  5. Step 5: Solve for x
    x = 2,978,925,988.65/62,715.60
  6. Step 6: Final answer
    x = 47,498.96

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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.