Home / 39,126.08-53,985.12-22,358.72

Finding the Fourth Proportional to 39,126.08, 53,985.12 and 22,358.72

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Solution

The fourth proportional to 39,126.08, 53,985.12 and 22,358.72 is: 30,849.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,126.08 : 53,985.12 = 22,358.72 : x
  2. Step 2: Convert to fraction form
    39,126.08/53,985.12 = 22,358.72/x
  3. Step 3: Cross multiply
    39,126.08x = 53,985.12 × 22,358.72
  4. Step 4: Simplify right side
    39,126.08x = 1,207,038,182.25
  5. Step 5: Solve for x
    x = 1,207,038,182.25/39,126.08
  6. Step 6: Final answer
    x = 30,849.96

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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.