Home / 53,070.38-79,592.81-15,620.28

Finding the Fourth Proportional to 53,070.38, 79,592.81 and 15,620.28

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Solution

The fourth proportional to 53,070.38, 79,592.81 and 15,620.28 is: 23,426.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,070.38 : 79,592.81 = 15,620.28 : x
  2. Step 2: Convert to fraction form
    53,070.38/79,592.81 = 15,620.28/x
  3. Step 3: Cross multiply
    53,070.38x = 79,592.81 × 15,620.28
  4. Step 4: Simplify right side
    53,070.38x = 1,243,261,978.19
  5. Step 5: Solve for x
    x = 1,243,261,978.19/53,070.38
  6. Step 6: Final answer
    x = 23,426.66

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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.