Home / 42,384.25-63,580.63-11,219.50

Finding the Fourth Proportional to 42,384.25, 63,580.63 and 11,219.50

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Solution

The fourth proportional to 42,384.25, 63,580.63 and 11,219.50 is: 16,830.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,384.25 : 63,580.63 = 11,219.50 : x
  2. Step 2: Convert to fraction form
    42,384.25/63,580.63 = 11,219.50/x
  3. Step 3: Cross multiply
    42,384.25x = 63,580.63 × 11,219.50
  4. Step 4: Simplify right side
    42,384.25x = 713,342,878.29
  5. Step 5: Solve for x
    x = 713,342,878.29/42,384.25
  6. Step 6: Final answer
    x = 16,830.38

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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.