Home / 42,776.90-64,181.75-17,810.24

Finding the Fourth Proportional to 42,776.90, 64,181.75 and 17,810.24

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Solution

The fourth proportional to 42,776.90, 64,181.75 and 17,810.24 is: 26,722.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,776.90 : 64,181.75 = 17,810.24 : x
  2. Step 2: Convert to fraction form
    42,776.90/64,181.75 = 17,810.24/x
  3. Step 3: Cross multiply
    42,776.90x = 64,181.75 × 17,810.24
  4. Step 4: Simplify right side
    42,776.90x = 1,143,092,371.12
  5. Step 5: Solve for x
    x = 1,143,092,371.12/42,776.90
  6. Step 6: Final answer
    x = 26,722.19

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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.