Home / 57,914.02-86,870.12-18,470.87

Finding the Fourth Proportional to 57,914.02, 86,870.12 and 18,470.87

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Solution

The fourth proportional to 57,914.02, 86,870.12 and 18,470.87 is: 27,706.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,914.02 : 86,870.12 = 18,470.87 : x
  2. Step 2: Convert to fraction form
    57,914.02/86,870.12 = 18,470.87/x
  3. Step 3: Cross multiply
    57,914.02x = 86,870.12 × 18,470.87
  4. Step 4: Simplify right side
    57,914.02x = 1,604,566,693.40
  5. Step 5: Solve for x
    x = 1,604,566,693.40/57,914.02
  6. Step 6: Final answer
    x = 27,706.01

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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.