Home / 49,670.02-68,547.12-30,813.22

Finding the Fourth Proportional to 49,670.02, 68,547.12 and 30,813.22

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Solution

The fourth proportional to 49,670.02, 68,547.12 and 30,813.22 is: 42,523.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,670.02 : 68,547.12 = 30,813.22 : x
  2. Step 2: Convert to fraction form
    49,670.02/68,547.12 = 30,813.22/x
  3. Step 3: Cross multiply
    49,670.02x = 68,547.12 × 30,813.22
  4. Step 4: Simplify right side
    49,670.02x = 2,112,157,488.93
  5. Step 5: Solve for x
    x = 2,112,157,488.93/49,670.02
  6. Step 6: Final answer
    x = 42,523.79

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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.