Home / 38,433.46-53,038.25-21,437.26

Finding the Fourth Proportional to 38,433.46, 53,038.25 and 21,437.26

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Solution

The fourth proportional to 38,433.46, 53,038.25 and 21,437.26 is: 29,583.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,433.46 : 53,038.25 = 21,437.26 : x
  2. Step 2: Convert to fraction form
    38,433.46/53,038.25 = 21,437.26/x
  3. Step 3: Cross multiply
    38,433.46x = 53,038.25 × 21,437.26
  4. Step 4: Simplify right side
    38,433.46x = 1,136,994,755.20
  5. Step 5: Solve for x
    x = 1,136,994,755.20/38,433.46
  6. Step 6: Final answer
    x = 29,583.46

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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.