Home / 52,069.84-78,130.68-38,332.24

Finding the Fourth Proportional to 52,069.84, 78,130.68 and 38,332.24

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Solution

The fourth proportional to 52,069.84, 78,130.68 and 38,332.24 is: 57,517.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,069.84 : 78,130.68 = 38,332.24 : x
  2. Step 2: Convert to fraction form
    52,069.84/78,130.68 = 38,332.24/x
  3. Step 3: Cross multiply
    52,069.84x = 78,130.68 × 38,332.24
  4. Step 4: Simplify right side
    52,069.84x = 2,994,923,977.12
  5. Step 5: Solve for x
    x = 2,994,923,977.12/52,069.84
  6. Step 6: Final answer
    x = 57,517.44

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1.5x scale

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.