Home / 53,176.28-73,382.32-28,977.45

Finding the Fourth Proportional to 53,176.28, 73,382.32 and 28,977.45

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Solution

The fourth proportional to 53,176.28, 73,382.32 and 28,977.45 is: 39,988.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,176.28 : 73,382.32 = 28,977.45 : x
  2. Step 2: Convert to fraction form
    53,176.28/73,382.32 = 28,977.45/x
  3. Step 3: Cross multiply
    53,176.28x = 73,382.32 × 28,977.45
  4. Step 4: Simplify right side
    53,176.28x = 2,126,432,888.89
  5. Step 5: Solve for x
    x = 2,126,432,888.89/53,176.28
  6. Step 6: Final answer
    x = 39,988.38

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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.