Home / 53,220.16-73,443.78-29,348.35

Finding the Fourth Proportional to 53,220.16, 73,443.78 and 29,348.35

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Solution

The fourth proportional to 53,220.16, 73,443.78 and 29,348.35 is: 40,500.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,220.16 : 73,443.78 = 29,348.35 : x
  2. Step 2: Convert to fraction form
    53,220.16/73,443.78 = 29,348.35/x
  3. Step 3: Cross multiply
    53,220.16x = 73,443.78 × 29,348.35
  4. Step 4: Simplify right side
    53,220.16x = 2,155,453,760.76
  5. Step 5: Solve for x
    x = 2,155,453,760.76/53,220.16
  6. Step 6: Final answer
    x = 40,500.70

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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.