Home / 57,050.36-85,509.68-30,699.74

Finding the Fourth Proportional to 57,050.36, 85,509.68 and 30,699.74

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Solution

The fourth proportional to 57,050.36, 85,509.68 and 30,699.74 is: 46,014.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,050.36 : 85,509.68 = 30,699.74 : x
  2. Step 2: Convert to fraction form
    57,050.36/85,509.68 = 30,699.74/x
  3. Step 3: Cross multiply
    57,050.36x = 85,509.68 × 30,699.74
  4. Step 4: Simplify right side
    57,050.36x = 2,625,124,943.48
  5. Step 5: Solve for x
    x = 2,625,124,943.48/57,050.36
  6. Step 6: Final answer
    x = 46,014.17

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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.