Home / 42,368.59-63,552.60-10,778.38

Finding the Fourth Proportional to 42,368.59, 63,552.60 and 10,778.38

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Solution

The fourth proportional to 42,368.59, 63,552.60 and 10,778.38 is: 16,167.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,368.59 : 63,552.60 = 10,778.38 : x
  2. Step 2: Convert to fraction form
    42,368.59/63,552.60 = 10,778.38/x
  3. Step 3: Cross multiply
    42,368.59x = 63,552.60 × 10,778.38
  4. Step 4: Simplify right side
    42,368.59x = 684,994,072.79
  5. Step 5: Solve for x
    x = 684,994,072.79/42,368.59
  6. Step 6: Final answer
    x = 16,167.50

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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.