Home / 57,371.84-85,671.47-46,862.85

Finding the Fourth Proportional to 57,371.84, 85,671.47 and 46,862.85

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Solution

The fourth proportional to 57,371.84, 85,671.47 and 46,862.85 is: 69,978.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,371.84 : 85,671.47 = 46,862.85 : x
  2. Step 2: Convert to fraction form
    57,371.84/85,671.47 = 46,862.85/x
  3. Step 3: Cross multiply
    57,371.84x = 85,671.47 × 46,862.85
  4. Step 4: Simplify right side
    57,371.84x = 4,014,809,686.31
  5. Step 5: Solve for x
    x = 4,014,809,686.31/57,371.84
  6. Step 6: Final answer
    x = 69,978.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.