Home / 52,418.79-78,640.47-17,358.45

Finding the Fourth Proportional to 52,418.79, 78,640.47 and 17,358.45

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Solution

The fourth proportional to 52,418.79, 78,640.47 and 17,358.45 is: 26,041.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,418.79 : 78,640.47 = 17,358.45 : x
  2. Step 2: Convert to fraction form
    52,418.79/78,640.47 = 17,358.45/x
  3. Step 3: Cross multiply
    52,418.79x = 78,640.47 × 17,358.45
  4. Step 4: Simplify right side
    52,418.79x = 1,365,076,666.47
  5. Step 5: Solve for x
    x = 1,365,076,666.47/52,418.79
  6. Step 6: Final answer
    x = 26,041.74

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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.