Home / 56,398.87-84,595.19-18,955.07

Finding the Fourth Proportional to 56,398.87, 84,595.19 and 18,955.07

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Solution

The fourth proportional to 56,398.87, 84,595.19 and 18,955.07 is: 28,431.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,398.87 : 84,595.19 = 18,955.07 : x
  2. Step 2: Convert to fraction form
    56,398.87/84,595.19 = 18,955.07/x
  3. Step 3: Cross multiply
    56,398.87x = 84,595.19 × 18,955.07
  4. Step 4: Simplify right side
    56,398.87x = 1,603,507,785.52
  5. Step 5: Solve for x
    x = 1,603,507,785.52/56,398.87
  6. Step 6: Final answer
    x = 28,431.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.