Home / 56,718.28-85,081.36-19,263.08

Finding the Fourth Proportional to 56,718.28, 85,081.36 and 19,263.08

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Solution

The fourth proportional to 56,718.28, 85,081.36 and 19,263.08 is: 28,895.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,718.28 : 85,081.36 = 19,263.08 : x
  2. Step 2: Convert to fraction form
    56,718.28/85,081.36 = 19,263.08/x
  3. Step 3: Cross multiply
    56,718.28x = 85,081.36 × 19,263.08
  4. Step 4: Simplify right side
    56,718.28x = 1,638,929,044.19
  5. Step 5: Solve for x
    x = 1,638,929,044.19/56,718.28
  6. Step 6: Final answer
    x = 28,895.96

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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.