Home / 56,082.18-77,390.67-33,420.68

Finding the Fourth Proportional to 56,082.18, 77,390.67 and 33,420.68

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Solution

The fourth proportional to 56,082.18, 77,390.67 and 33,420.68 is: 46,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,082.18 : 77,390.67 = 33,420.68 : x
  2. Step 2: Convert to fraction form
    56,082.18/77,390.67 = 33,420.68/x
  3. Step 3: Cross multiply
    56,082.18x = 77,390.67 × 33,420.68
  4. Step 4: Simplify right side
    56,082.18x = 2,586,448,430.10
  5. Step 5: Solve for x
    x = 2,586,448,430.10/56,082.18
  6. Step 6: Final answer
    x = 46,118.90

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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.