Home / 38,058.40-52,518.48-21,288.16

Finding the Fourth Proportional to 38,058.40, 52,518.48 and 21,288.16

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Solution

The fourth proportional to 38,058.40, 52,518.48 and 21,288.16 is: 29,376.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,058.40 : 52,518.48 = 21,288.16 : x
  2. Step 2: Convert to fraction form
    38,058.40/52,518.48 = 21,288.16/x
  3. Step 3: Cross multiply
    38,058.40x = 52,518.48 × 21,288.16
  4. Step 4: Simplify right side
    38,058.40x = 1,118,021,805.20
  5. Step 5: Solve for x
    x = 1,118,021,805.20/38,058.40
  6. Step 6: Final answer
    x = 29,376.48

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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.