Home / 56,299.59-77,692.41-31,149.09

Finding the Fourth Proportional to 56,299.59, 77,692.41 and 31,149.09

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Solution

The fourth proportional to 56,299.59, 77,692.41 and 31,149.09 is: 42,985.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,299.59 : 77,692.41 = 31,149.09 : x
  2. Step 2: Convert to fraction form
    56,299.59/77,692.41 = 31,149.09/x
  3. Step 3: Cross multiply
    56,299.59x = 77,692.41 × 31,149.09
  4. Step 4: Simplify right side
    56,299.59x = 2,420,047,871.41
  5. Step 5: Solve for x
    x = 2,420,047,871.41/56,299.59
  6. Step 6: Final answer
    x = 42,985.18

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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.