Home / 36,151.48-53,981.13-31,899.29

Finding the Fourth Proportional to 36,151.48, 53,981.13 and 31,899.29

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Solution

The fourth proportional to 36,151.48, 53,981.13 and 31,899.29 is: 47,631.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,151.48 : 53,981.13 = 31,899.29 : x
  2. Step 2: Convert to fraction form
    36,151.48/53,981.13 = 31,899.29/x
  3. Step 3: Cross multiply
    36,151.48x = 53,981.13 × 31,899.29
  4. Step 4: Simplify right side
    36,151.48x = 1,721,959,855.35
  5. Step 5: Solve for x
    x = 1,721,959,855.35/36,151.48
  6. Step 6: Final answer
    x = 47,631.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.