Home / 53,220.43-79,807.47-15,261.31

Finding the Fourth Proportional to 53,220.43, 79,807.47 and 15,261.31

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Solution

The fourth proportional to 53,220.43, 79,807.47 and 15,261.31 is: 22,885.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,220.43 : 79,807.47 = 15,261.31 : x
  2. Step 2: Convert to fraction form
    53,220.43/79,807.47 = 15,261.31/x
  3. Step 3: Cross multiply
    53,220.43x = 79,807.47 × 15,261.31
  4. Step 4: Simplify right side
    53,220.43x = 1,217,966,663.20
  5. Step 5: Solve for x
    x = 1,217,966,663.20/53,220.43
  6. Step 6: Final answer
    x = 22,885.32

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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.