Home / 38,417.85-53,020.71-22,515.66

Finding the Fourth Proportional to 38,417.85, 53,020.71 and 22,515.66

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Solution

The fourth proportional to 38,417.85, 53,020.71 and 22,515.66 is: 31,074.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,417.85 : 53,020.71 = 22,515.66 : x
  2. Step 2: Convert to fraction form
    38,417.85/53,020.71 = 22,515.66/x
  3. Step 3: Cross multiply
    38,417.85x = 53,020.71 × 22,515.66
  4. Step 4: Simplify right side
    38,417.85x = 1,193,796,279.32
  5. Step 5: Solve for x
    x = 1,193,796,279.32/38,417.85
  6. Step 6: Final answer
    x = 31,074.00

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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.