Home / 56,119.29-77,445.06-30,625.85

Finding the Fourth Proportional to 56,119.29, 77,445.06 and 30,625.85

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Solution

The fourth proportional to 56,119.29, 77,445.06 and 30,625.85 is: 42,263.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,119.29 : 77,445.06 = 30,625.85 : x
  2. Step 2: Convert to fraction form
    56,119.29/77,445.06 = 30,625.85/x
  3. Step 3: Cross multiply
    56,119.29x = 77,445.06 × 30,625.85
  4. Step 4: Simplify right side
    56,119.29x = 2,371,820,790.80
  5. Step 5: Solve for x
    x = 2,371,820,790.80/56,119.29
  6. Step 6: Final answer
    x = 42,263.91

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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.