Home / 38,563.16-53,216.76-21,567.20

Finding the Fourth Proportional to 38,563.16, 53,216.76 and 21,567.20

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Solution

The fourth proportional to 38,563.16, 53,216.76 and 21,567.20 is: 29,762.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,563.16 : 53,216.76 = 21,567.20 : x
  2. Step 2: Convert to fraction form
    38,563.16/53,216.76 = 21,567.20/x
  3. Step 3: Cross multiply
    38,563.16x = 53,216.76 × 21,567.20
  4. Step 4: Simplify right side
    38,563.16x = 1,147,736,506.27
  5. Step 5: Solve for x
    x = 1,147,736,506.27/38,563.16
  6. Step 6: Final answer
    x = 29,762.51

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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.