Home / 39,303.36-54,237.96-22,307.76

Finding the Fourth Proportional to 39,303.36, 54,237.96 and 22,307.76

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Solution

The fourth proportional to 39,303.36, 54,237.96 and 22,307.76 is: 30,784.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,303.36 : 54,237.96 = 22,307.76 : x
  2. Step 2: Convert to fraction form
    39,303.36/54,237.96 = 22,307.76/x
  3. Step 3: Cross multiply
    39,303.36x = 54,237.96 × 22,307.76
  4. Step 4: Simplify right side
    39,303.36x = 1,209,927,394.57
  5. Step 5: Solve for x
    x = 1,209,927,394.57/39,303.36
  6. Step 6: Final answer
    x = 30,784.32

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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.