Home / 56,041.70-77,336.48-30,548.30

Finding the Fourth Proportional to 56,041.70, 77,336.48 and 30,548.30

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Solution

The fourth proportional to 56,041.70, 77,336.48 and 30,548.30 is: 42,156.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,041.70 : 77,336.48 = 30,548.30 : x
  2. Step 2: Convert to fraction form
    56,041.70/77,336.48 = 30,548.30/x
  3. Step 3: Cross multiply
    56,041.70x = 77,336.48 × 30,548.30
  4. Step 4: Simplify right side
    56,041.70x = 2,362,497,991.98
  5. Step 5: Solve for x
    x = 2,362,497,991.98/56,041.70
  6. Step 6: Final answer
    x = 42,156.07

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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.