Home / 42,785.64-64,174.08-14,706.24

Finding the Fourth Proportional to 42,785.64, 64,174.08 and 14,706.24

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Solution

The fourth proportional to 42,785.64, 64,174.08 and 14,706.24 is: 22,057.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,785.64 : 64,174.08 = 14,706.24 : x
  2. Step 2: Convert to fraction form
    42,785.64/64,174.08 = 14,706.24/x
  3. Step 3: Cross multiply
    42,785.64x = 64,174.08 × 14,706.24
  4. Step 4: Simplify right side
    42,785.64x = 943,759,422.26
  5. Step 5: Solve for x
    x = 943,759,422.26/42,785.64
  6. Step 6: Final answer
    x = 22,057.85

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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.