Home / 52,048.60-78,053.70-16,989.40

Finding the Fourth Proportional to 52,048.60, 78,053.70 and 16,989.40

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Solution

The fourth proportional to 52,048.60, 78,053.70 and 16,989.40 is: 25,477.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,048.60 : 78,053.70 = 16,989.40 : x
  2. Step 2: Convert to fraction form
    52,048.60/78,053.70 = 16,989.40/x
  3. Step 3: Cross multiply
    52,048.60x = 78,053.70 × 16,989.40
  4. Step 4: Simplify right side
    52,048.60x = 1,326,085,530.78
  5. Step 5: Solve for x
    x = 1,326,085,530.78/52,048.60
  6. Step 6: Final answer
    x = 25,477.83

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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.