Home / 52,060.77-78,123.29-20,465.30

Finding the Fourth Proportional to 52,060.77, 78,123.29 and 20,465.30

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Solution

The fourth proportional to 52,060.77, 78,123.29 and 20,465.30 is: 30,710.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,060.77 : 78,123.29 = 20,465.30 : x
  2. Step 2: Convert to fraction form
    52,060.77/78,123.29 = 20,465.30/x
  3. Step 3: Cross multiply
    52,060.77x = 78,123.29 × 20,465.30
  4. Step 4: Simplify right side
    52,060.77x = 1,598,816,566.84
  5. Step 5: Solve for x
    x = 1,598,816,566.84/52,060.77
  6. Step 6: Final answer
    x = 30,710.58

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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.