Home / 53,008.05-73,151.67-28,809.02

Finding the Fourth Proportional to 53,008.05, 73,151.67 and 28,809.02

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Solution

The fourth proportional to 53,008.05, 73,151.67 and 28,809.02 is: 39,756.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,008.05 : 73,151.67 = 28,809.02 : x
  2. Step 2: Convert to fraction form
    53,008.05/73,151.67 = 28,809.02/x
  3. Step 3: Cross multiply
    53,008.05x = 73,151.67 × 28,809.02
  4. Step 4: Simplify right side
    53,008.05x = 2,107,427,803.50
  5. Step 5: Solve for x
    x = 2,107,427,803.50/53,008.05
  6. Step 6: Final answer
    x = 39,756.75

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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.