Home / 37,417.08-51,638.10-21,507.88

Finding the Fourth Proportional to 37,417.08, 51,638.10 and 21,507.88

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Solution

The fourth proportional to 37,417.08, 51,638.10 and 21,507.88 is: 29,682.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,417.08 : 51,638.10 = 21,507.88 : x
  2. Step 2: Convert to fraction form
    37,417.08/51,638.10 = 21,507.88/x
  3. Step 3: Cross multiply
    37,417.08x = 51,638.10 × 21,507.88
  4. Step 4: Simplify right side
    37,417.08x = 1,110,626,058.23
  5. Step 5: Solve for x
    x = 1,110,626,058.23/37,417.08
  6. Step 6: Final answer
    x = 29,682.33

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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.