Home / 55,979.91-77,248.77-30,829.41

Finding the Fourth Proportional to 55,979.91, 77,248.77 and 30,829.41

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Solution

The fourth proportional to 55,979.91, 77,248.77 and 30,829.41 is: 42,542.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,979.91 : 77,248.77 = 30,829.41 : x
  2. Step 2: Convert to fraction form
    55,979.91/77,248.77 = 30,829.41/x
  3. Step 3: Cross multiply
    55,979.91x = 77,248.77 × 30,829.41
  4. Step 4: Simplify right side
    55,979.91x = 2,381,534,002.33
  5. Step 5: Solve for x
    x = 2,381,534,002.33/55,979.91
  6. Step 6: Final answer
    x = 42,542.66

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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.