Home / 53,210.56-79,826.08-20,376

Finding the Fourth Proportional to 53,210.56, 79,826.08 and 20,376

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Solution

The fourth proportional to 53,210.56, 79,826.08 and 20,376 is: 30,567.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,210.56 : 79,826.08 = 20,376 : x
  2. Step 2: Convert to fraction form
    53,210.56/79,826.08 = 20,376/x
  3. Step 3: Cross multiply
    53,210.56x = 79,826.08 × 20,376
  4. Step 4: Simplify right side
    53,210.56x = 1,626,536,206.08
  5. Step 5: Solve for x
    x = 1,626,536,206.08/53,210.56
  6. Step 6: Final answer
    x = 30,567.92

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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.