Home / 53,301.65-79,938.90-15,853.32

Finding the Fourth Proportional to 53,301.65, 79,938.90 and 15,853.32

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Solution

The fourth proportional to 53,301.65, 79,938.90 and 15,853.32 is: 23,775.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,301.65 : 79,938.90 = 15,853.32 : x
  2. Step 2: Convert to fraction form
    53,301.65/79,938.90 = 15,853.32/x
  3. Step 3: Cross multiply
    53,301.65x = 79,938.90 × 15,853.32
  4. Step 4: Simplify right side
    53,301.65x = 1,267,296,962.15
  5. Step 5: Solve for x
    x = 1,267,296,962.15/53,301.65
  6. Step 6: Final answer
    x = 23,775.94

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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.