Home / 56,713.29-85,073.85-19,258.08

Finding the Fourth Proportional to 56,713.29, 85,073.85 and 19,258.08

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Solution

The fourth proportional to 56,713.29, 85,073.85 and 19,258.08 is: 28,888.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,713.29 : 85,073.85 = 19,258.08 : x
  2. Step 2: Convert to fraction form
    56,713.29/85,073.85 = 19,258.08/x
  3. Step 3: Cross multiply
    56,713.29x = 85,073.85 × 19,258.08
  4. Step 4: Simplify right side
    56,713.29x = 1,638,359,009.21
  5. Step 5: Solve for x
    x = 1,638,359,009.21/56,713.29
  6. Step 6: Final answer
    x = 28,888.45

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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.