Home / 57,145.95-78,866.16-33,271.20

Finding the Fourth Proportional to 57,145.95, 78,866.16 and 33,271.20

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Solution

The fourth proportional to 57,145.95, 78,866.16 and 33,271.20 is: 45,917.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,145.95 : 78,866.16 = 33,271.20 : x
  2. Step 2: Convert to fraction form
    57,145.95/78,866.16 = 33,271.20/x
  3. Step 3: Cross multiply
    57,145.95x = 78,866.16 × 33,271.20
  4. Step 4: Simplify right side
    57,145.95x = 2,623,971,782.59
  5. Step 5: Solve for x
    x = 2,623,971,782.59/57,145.95
  6. Step 6: Final answer
    x = 45,917.02

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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.