Home / 48,718.56-67,242-30,802.08

Finding the Fourth Proportional to 48,718.56, 67,242 and 30,802.08

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Solution

The fourth proportional to 48,718.56, 67,242 and 30,802.08 is: 42,513.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,718.56 : 67,242 = 30,802.08 : x
  2. Step 2: Convert to fraction form
    48,718.56/67,242 = 30,802.08/x
  3. Step 3: Cross multiply
    48,718.56x = 67,242 × 30,802.08
  4. Step 4: Simplify right side
    48,718.56x = 2,071,193,463.36
  5. Step 5: Solve for x
    x = 2,071,193,463.36/48,718.56
  6. Step 6: Final answer
    x = 42,513.44

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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.