Home / 56,048.82-77,347.90-30,899.22

Finding the Fourth Proportional to 56,048.82, 77,347.90 and 30,899.22

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Solution

The fourth proportional to 56,048.82, 77,347.90 and 30,899.22 is: 42,641.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,048.82 : 77,347.90 = 30,899.22 : x
  2. Step 2: Convert to fraction form
    56,048.82/77,347.90 = 30,899.22/x
  3. Step 3: Cross multiply
    56,048.82x = 77,347.90 × 30,899.22
  4. Step 4: Simplify right side
    56,048.82x = 2,389,989,778.64
  5. Step 5: Solve for x
    x = 2,389,989,778.64/56,048.82
  6. Step 6: Final answer
    x = 42,641.21

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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.