Home / 39,289.72-54,225.44-22,298.16

Finding the Fourth Proportional to 39,289.72, 54,225.44 and 22,298.16

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Solution

The fourth proportional to 39,289.72, 54,225.44 and 22,298.16 is: 30,774.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,289.72 : 54,225.44 = 22,298.16 : x
  2. Step 2: Convert to fraction form
    39,289.72/54,225.44 = 22,298.16/x
  3. Step 3: Cross multiply
    39,289.72x = 54,225.44 × 22,298.16
  4. Step 4: Simplify right side
    39,289.72x = 1,209,127,537.19
  5. Step 5: Solve for x
    x = 1,209,127,537.19/39,289.72
  6. Step 6: Final answer
    x = 30,774.65

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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.