Home / 42,838.70-64,260.57-16,543.58

Finding the Fourth Proportional to 42,838.70, 64,260.57 and 16,543.58

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Solution

The fourth proportional to 42,838.70, 64,260.57 and 16,543.58 is: 24,816.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,838.70 : 64,260.57 = 16,543.58 : x
  2. Step 2: Convert to fraction form
    42,838.70/64,260.57 = 16,543.58/x
  3. Step 3: Cross multiply
    42,838.70x = 64,260.57 × 16,543.58
  4. Step 4: Simplify right side
    42,838.70x = 1,063,099,880.64
  5. Step 5: Solve for x
    x = 1,063,099,880.64/42,838.70
  6. Step 6: Final answer
    x = 24,816.34

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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.