Home / 53,314.50-79,972.23-18,254.46

Finding the Fourth Proportional to 53,314.50, 79,972.23 and 18,254.46

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Solution

The fourth proportional to 53,314.50, 79,972.23 and 18,254.46 is: 27,381.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,314.50 : 79,972.23 = 18,254.46 : x
  2. Step 2: Convert to fraction form
    53,314.50/79,972.23 = 18,254.46/x
  3. Step 3: Cross multiply
    53,314.50x = 79,972.23 × 18,254.46
  4. Step 4: Simplify right side
    53,314.50x = 1,459,849,873.65
  5. Step 5: Solve for x
    x = 1,459,849,873.65/53,314.50
  6. Step 6: Final answer
    x = 27,381.85

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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.