Home / 65,822.83-90,830.50-37,145.16

Finding the Fourth Proportional to 65,822.83, 90,830.50 and 37,145.16

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Solution

The fourth proportional to 65,822.83, 90,830.50 and 37,145.16 is: 51,257.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,822.83 : 90,830.50 = 37,145.16 : x
  2. Step 2: Convert to fraction form
    65,822.83/90,830.50 = 37,145.16/x
  3. Step 3: Cross multiply
    65,822.83x = 90,830.50 × 37,145.16
  4. Step 4: Simplify right side
    65,822.83x = 3,373,913,455.38
  5. Step 5: Solve for x
    x = 3,373,913,455.38/65,822.83
  6. Step 6: Final answer
    x = 51,257.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.