Home / 57,167.95-78,852.40-40,208.17

Finding the Fourth Proportional to 57,167.95, 78,852.40 and 40,208.17

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Solution

The fourth proportional to 57,167.95, 78,852.40 and 40,208.17 is: 55,459.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,167.95 : 78,852.40 = 40,208.17 : x
  2. Step 2: Convert to fraction form
    57,167.95/78,852.40 = 40,208.17/x
  3. Step 3: Cross multiply
    57,167.95x = 78,852.40 × 40,208.17
  4. Step 4: Simplify right side
    57,167.95x = 3,170,510,704.11
  5. Step 5: Solve for x
    x = 3,170,510,704.11/57,167.95
  6. Step 6: Final answer
    x = 55,459.58

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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.