Home / 42,813.03-64,203.62-14,725.20

Finding the Fourth Proportional to 42,813.03, 64,203.62 and 14,725.20

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Solution

The fourth proportional to 42,813.03, 64,203.62 and 14,725.20 is: 22,082.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,813.03 : 64,203.62 = 14,725.20 : x
  2. Step 2: Convert to fraction form
    42,813.03/64,203.62 = 14,725.20/x
  3. Step 3: Cross multiply
    42,813.03x = 64,203.62 × 14,725.20
  4. Step 4: Simplify right side
    42,813.03x = 945,411,071.60
  5. Step 5: Solve for x
    x = 945,411,071.60/42,813.03
  6. Step 6: Final answer
    x = 22,082.32

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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.