Home / 53,044.08-73,200.74-30,390.40

Finding the Fourth Proportional to 53,044.08, 73,200.74 and 30,390.40

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Solution

The fourth proportional to 53,044.08, 73,200.74 and 30,390.40 is: 41,938.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,044.08 : 73,200.74 = 30,390.40 : x
  2. Step 2: Convert to fraction form
    53,044.08/73,200.74 = 30,390.40/x
  3. Step 3: Cross multiply
    53,044.08x = 73,200.74 × 30,390.40
  4. Step 4: Simplify right side
    53,044.08x = 2,224,599,768.90
  5. Step 5: Solve for x
    x = 2,224,599,768.90/53,044.08
  6. Step 6: Final answer
    x = 41,938.70

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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.