Home / 30,484.02-42,144.94-22,513.62

Finding the Fourth Proportional to 30,484.02, 42,144.94 and 22,513.62

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Solution

The fourth proportional to 30,484.02, 42,144.94 and 22,513.62 is: 31,125.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,484.02 : 42,144.94 = 22,513.62 : x
  2. Step 2: Convert to fraction form
    30,484.02/42,144.94 = 22,513.62/x
  3. Step 3: Cross multiply
    30,484.02x = 42,144.94 × 22,513.62
  4. Step 4: Simplify right side
    30,484.02x = 948,835,164.08
  5. Step 5: Solve for x
    x = 948,835,164.08/30,484.02
  6. Step 6: Final answer
    x = 31,125.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.