Home / 55,643.23-76,787.62-30,492.19

Finding the Fourth Proportional to 55,643.23, 76,787.62 and 30,492.19

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Solution

The fourth proportional to 55,643.23, 76,787.62 and 30,492.19 is: 42,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,643.23 : 76,787.62 = 30,492.19 : x
  2. Step 2: Convert to fraction form
    55,643.23/76,787.62 = 30,492.19/x
  3. Step 3: Cross multiply
    55,643.23x = 76,787.62 × 30,492.19
  4. Step 4: Simplify right side
    55,643.23x = 2,341,422,698.69
  5. Step 5: Solve for x
    x = 2,341,422,698.69/55,643.23
  6. Step 6: Final answer
    x = 42,079.20

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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.