Home / 52,527.90-78,742.02-20,957.37

Finding the Fourth Proportional to 52,527.90, 78,742.02 and 20,957.37

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Solution

The fourth proportional to 52,527.90, 78,742.02 and 20,957.37 is: 31,416.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,527.90 : 78,742.02 = 20,957.37 : x
  2. Step 2: Convert to fraction form
    52,527.90/78,742.02 = 20,957.37/x
  3. Step 3: Cross multiply
    52,527.90x = 78,742.02 × 20,957.37
  4. Step 4: Simplify right side
    52,527.90x = 1,650,225,647.69
  5. Step 5: Solve for x
    x = 1,650,225,647.69/52,527.90
  6. Step 6: Final answer
    x = 31,416.17

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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.