Home / 20,710.08-31,065.12-14,482.16

Finding the Fourth Proportional to 20,710.08, 31,065.12 and 14,482.16

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Solution

The fourth proportional to 20,710.08, 31,065.12 and 14,482.16 is: 21,723.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710.08 : 31,065.12 = 14,482.16 : x
  2. Step 2: Convert to fraction form
    20,710.08/31,065.12 = 14,482.16/x
  3. Step 3: Cross multiply
    20,710.08x = 31,065.12 × 14,482.16
  4. Step 4: Simplify right side
    20,710.08x = 449,890,038.26
  5. Step 5: Solve for x
    x = 449,890,038.26/20,710.08
  6. Step 6: Final answer
    x = 21,723.24

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Similar ratio
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1.5x scale

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.