Home / 52,980.08-79,420.70-17,895.20

Finding the Fourth Proportional to 52,980.08, 79,420.70 and 17,895.20

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Solution

The fourth proportional to 52,980.08, 79,420.70 and 17,895.20 is: 26,826.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,980.08 : 79,420.70 = 17,895.20 : x
  2. Step 2: Convert to fraction form
    52,980.08/79,420.70 = 17,895.20/x
  3. Step 3: Cross multiply
    52,980.08x = 79,420.70 × 17,895.20
  4. Step 4: Simplify right side
    52,980.08x = 1,421,248,958.27
  5. Step 5: Solve for x
    x = 1,421,248,958.27/52,980.08
  6. Step 6: Final answer
    x = 26,826.10

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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.