Home / 57,639.99-86,459.38-14,945.20

Finding the Fourth Proportional to 57,639.99, 86,459.38 and 14,945.20

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Solution

The fourth proportional to 57,639.99, 86,459.38 and 14,945.20 is: 22,417.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,639.99 : 86,459.38 = 14,945.20 : x
  2. Step 2: Convert to fraction form
    57,639.99/86,459.38 = 14,945.20/x
  3. Step 3: Cross multiply
    57,639.99x = 86,459.38 × 14,945.20
  4. Step 4: Simplify right side
    57,639.99x = 1,292,152,725.98
  5. Step 5: Solve for x
    x = 1,292,152,725.98/57,639.99
  6. Step 6: Final answer
    x = 22,417.64

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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.