Home / 39,345.28-54,296.72-23,430.40

Finding the Fourth Proportional to 39,345.28, 54,296.72 and 23,430.40

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Solution

The fourth proportional to 39,345.28, 54,296.72 and 23,430.40 is: 32,334.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,345.28 : 54,296.72 = 23,430.40 : x
  2. Step 2: Convert to fraction form
    39,345.28/54,296.72 = 23,430.40/x
  3. Step 3: Cross multiply
    39,345.28x = 54,296.72 × 23,430.40
  4. Step 4: Simplify right side
    39,345.28x = 1,272,193,868.29
  5. Step 5: Solve for x
    x = 1,272,193,868.29/39,345.28
  6. Step 6: Final answer
    x = 32,334.09

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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.