Home / 52,346.12-78,521.00-20,762.19

Finding the Fourth Proportional to 52,346.12, 78,521.00 and 20,762.19

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Solution

The fourth proportional to 52,346.12, 78,521.00 and 20,762.19 is: 31,144.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,346.12 : 78,521.00 = 20,762.19 : x
  2. Step 2: Convert to fraction form
    52,346.12/78,521.00 = 20,762.19/x
  3. Step 3: Cross multiply
    52,346.12x = 78,521.00 × 20,762.19
  4. Step 4: Simplify right side
    52,346.12x = 1,630,267,817.18
  5. Step 5: Solve for x
    x = 1,630,267,817.18/52,346.12
  6. Step 6: Final answer
    x = 31,144.01

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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.