Home / 57,630.29-86,445.43-18,215.08

Finding the Fourth Proportional to 57,630.29, 86,445.43 and 18,215.08

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Solution

The fourth proportional to 57,630.29, 86,445.43 and 18,215.08 is: 27,322.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,630.29 : 86,445.43 = 18,215.08 : x
  2. Step 2: Convert to fraction form
    57,630.29/86,445.43 = 18,215.08/x
  3. Step 3: Cross multiply
    57,630.29x = 86,445.43 × 18,215.08
  4. Step 4: Simplify right side
    57,630.29x = 1,574,610,161.43
  5. Step 5: Solve for x
    x = 1,574,610,161.43/57,630.29
  6. Step 6: Final answer
    x = 27,322.62

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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.