Home / 39,439.22-59,159-9,857.10

Finding the Fourth Proportional to 39,439.22, 59,159 and 9,857.10

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Solution

The fourth proportional to 39,439.22, 59,159 and 9,857.10 is: 14,785.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,439.22 : 59,159 = 9,857.10 : x
  2. Step 2: Convert to fraction form
    39,439.22/59,159 = 9,857.10/x
  3. Step 3: Cross multiply
    39,439.22x = 59,159 × 9,857.10
  4. Step 4: Simplify right side
    39,439.22x = 583,136,178.90
  5. Step 5: Solve for x
    x = 583,136,178.90/39,439.22
  6. Step 6: Final answer
    x = 14,785.69

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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.