Home / 52,461.48-78,703.74-15,021.60

Finding the Fourth Proportional to 52,461.48, 78,703.74 and 15,021.60

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Solution

The fourth proportional to 52,461.48, 78,703.74 and 15,021.60 is: 22,535.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,461.48 : 78,703.74 = 15,021.60 : x
  2. Step 2: Convert to fraction form
    52,461.48/78,703.74 = 15,021.60/x
  3. Step 3: Cross multiply
    52,461.48x = 78,703.74 × 15,021.60
  4. Step 4: Simplify right side
    52,461.48x = 1,182,256,100.78
  5. Step 5: Solve for x
    x = 1,182,256,100.78/52,461.48
  6. Step 6: Final answer
    x = 22,535.70

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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.