Home / 57,903.46-86,854.28-18,460.31

Finding the Fourth Proportional to 57,903.46, 86,854.28 and 18,460.31

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Solution

The fourth proportional to 57,903.46, 86,854.28 and 18,460.31 is: 27,690.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,903.46 : 86,854.28 = 18,460.31 : x
  2. Step 2: Convert to fraction form
    57,903.46/86,854.28 = 18,460.31/x
  3. Step 3: Cross multiply
    57,903.46x = 86,854.28 × 18,460.31
  4. Step 4: Simplify right side
    57,903.46x = 1,603,356,407.05
  5. Step 5: Solve for x
    x = 1,603,356,407.05/57,903.46
  6. Step 6: Final answer
    x = 27,690.17

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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.