Home / 52,204.08-72,076.32-30,990.16

Finding the Fourth Proportional to 52,204.08, 72,076.32 and 30,990.16

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Solution

The fourth proportional to 52,204.08, 72,076.32 and 30,990.16 is: 42,787.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,204.08 : 72,076.32 = 30,990.16 : x
  2. Step 2: Convert to fraction form
    52,204.08/72,076.32 = 30,990.16/x
  3. Step 3: Cross multiply
    52,204.08x = 72,076.32 × 30,990.16
  4. Step 4: Simplify right side
    52,204.08x = 2,233,656,689.01
  5. Step 5: Solve for x
    x = 2,233,656,689.01/52,204.08
  6. Step 6: Final answer
    x = 42,787.01

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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.