Home / 55,827.80-77,041.49-30,676.76

Finding the Fourth Proportional to 55,827.80, 77,041.49 and 30,676.76

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Solution

The fourth proportional to 55,827.80, 77,041.49 and 30,676.76 is: 42,333.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,827.80 : 77,041.49 = 30,676.76 : x
  2. Step 2: Convert to fraction form
    55,827.80/77,041.49 = 30,676.76/x
  3. Step 3: Cross multiply
    55,827.80x = 77,041.49 × 30,676.76
  4. Step 4: Simplify right side
    55,827.80x = 2,363,383,298.77
  5. Step 5: Solve for x
    x = 2,363,383,298.77/55,827.80
  6. Step 6: Final answer
    x = 42,333.45

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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.