Home / 55,856.34-77,082.52-30,363.20

Finding the Fourth Proportional to 55,856.34, 77,082.52 and 30,363.20

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Solution

The fourth proportional to 55,856.34, 77,082.52 and 30,363.20 is: 41,901.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,856.34 : 77,082.52 = 30,363.20 : x
  2. Step 2: Convert to fraction form
    55,856.34/77,082.52 = 30,363.20/x
  3. Step 3: Cross multiply
    55,856.34x = 77,082.52 × 30,363.20
  4. Step 4: Simplify right side
    55,856.34x = 2,340,471,971.26
  5. Step 5: Solve for x
    x = 2,340,471,971.26/55,856.34
  6. Step 6: Final answer
    x = 41,901.64

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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.