Home / 42,778.47-64,122.45-16,112.92

Finding the Fourth Proportional to 42,778.47, 64,122.45 and 16,112.92

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Solution

The fourth proportional to 42,778.47, 64,122.45 and 16,112.92 is: 24,152.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,778.47 : 64,122.45 = 16,112.92 : x
  2. Step 2: Convert to fraction form
    42,778.47/64,122.45 = 16,112.92/x
  3. Step 3: Cross multiply
    42,778.47x = 64,122.45 × 16,112.92
  4. Step 4: Simplify right side
    42,778.47x = 1,033,199,746.75
  5. Step 5: Solve for x
    x = 1,033,199,746.75/42,778.47
  6. Step 6: Final answer
    x = 24,152.33

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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.