Home / 57,945.18-86,931.32-17,962.08

Finding the Fourth Proportional to 57,945.18, 86,931.32 and 17,962.08

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Solution

The fourth proportional to 57,945.18, 86,931.32 and 17,962.08 is: 26,947.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,945.18 : 86,931.32 = 17,962.08 : x
  2. Step 2: Convert to fraction form
    57,945.18/86,931.32 = 17,962.08/x
  3. Step 3: Cross multiply
    57,945.18x = 86,931.32 × 17,962.08
  4. Step 4: Simplify right side
    57,945.18x = 1,561,467,324.35
  5. Step 5: Solve for x
    x = 1,561,467,324.35/57,945.18
  6. Step 6: Final answer
    x = 26,947.32

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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.