Home / 53,010.47-73,153.22-28,810.86

Finding the Fourth Proportional to 53,010.47, 73,153.22 and 28,810.86

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Solution

The fourth proportional to 53,010.47, 73,153.22 and 28,810.86 is: 39,758.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,010.47 : 73,153.22 = 28,810.86 : x
  2. Step 2: Convert to fraction form
    53,010.47/73,153.22 = 28,810.86/x
  3. Step 3: Cross multiply
    53,010.47x = 73,153.22 × 28,810.86
  4. Step 4: Simplify right side
    53,010.47x = 2,107,607,035.91
  5. Step 5: Solve for x
    x = 2,107,607,035.91/53,010.47
  6. Step 6: Final answer
    x = 39,758.32

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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.