Home / 53,154.09-73,352.70-29,280.78

Finding the Fourth Proportional to 53,154.09, 73,352.70 and 29,280.78

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Solution

The fourth proportional to 53,154.09, 73,352.70 and 29,280.78 is: 40,407.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,154.09 : 73,352.70 = 29,280.78 : x
  2. Step 2: Convert to fraction form
    53,154.09/73,352.70 = 29,280.78/x
  3. Step 3: Cross multiply
    53,154.09x = 73,352.70 × 29,280.78
  4. Step 4: Simplify right side
    53,154.09x = 2,147,824,271.11
  5. Step 5: Solve for x
    x = 2,147,824,271.11/53,154.09
  6. Step 6: Final answer
    x = 40,407.51

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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.