Home / 55,934.91-77,190.21-30,784.41

Finding the Fourth Proportional to 55,934.91, 77,190.21 and 30,784.41

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Solution

The fourth proportional to 55,934.91, 77,190.21 and 30,784.41 is: 42,482.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,934.91 : 77,190.21 = 30,784.41 : x
  2. Step 2: Convert to fraction form
    55,934.91/77,190.21 = 30,784.41/x
  3. Step 3: Cross multiply
    55,934.91x = 77,190.21 × 30,784.41
  4. Step 4: Simplify right side
    55,934.91x = 2,376,255,072.63
  5. Step 5: Solve for x
    x = 2,376,255,072.63/55,934.91
  6. Step 6: Final answer
    x = 42,482.50

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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.