Home / 53,763.95-80,647.85-14,321.21

Finding the Fourth Proportional to 53,763.95, 80,647.85 and 14,321.21

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Solution

The fourth proportional to 53,763.95, 80,647.85 and 14,321.21 is: 21,482.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,763.95 : 80,647.85 = 14,321.21 : x
  2. Step 2: Convert to fraction form
    53,763.95/80,647.85 = 14,321.21/x
  3. Step 3: Cross multiply
    53,763.95x = 80,647.85 × 14,321.21
  4. Step 4: Simplify right side
    53,763.95x = 1,154,974,428.46
  5. Step 5: Solve for x
    x = 1,154,974,428.46/53,763.95
  6. Step 6: Final answer
    x = 21,482.32

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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.