Home / 56,400.85-84,598.16-18,957.06

Finding the Fourth Proportional to 56,400.85, 84,598.16 and 18,957.06

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Solution

The fourth proportional to 56,400.85, 84,598.16 and 18,957.06 is: 28,434.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,400.85 : 84,598.16 = 18,957.06 : x
  2. Step 2: Convert to fraction form
    56,400.85/84,598.16 = 18,957.06/x
  3. Step 3: Cross multiply
    56,400.85x = 84,598.16 × 18,957.06
  4. Step 4: Simplify right side
    56,400.85x = 1,603,732,395.01
  5. Step 5: Solve for x
    x = 1,603,732,395.01/56,400.85
  6. Step 6: Final answer
    x = 28,434.54

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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.