Home / 53,782.29-74,218.55-29,908.76

Finding the Fourth Proportional to 53,782.29, 74,218.55 and 29,908.76

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Solution

The fourth proportional to 53,782.29, 74,218.55 and 29,908.76 is: 41,273.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,782.29 : 74,218.55 = 29,908.76 : x
  2. Step 2: Convert to fraction form
    53,782.29/74,218.55 = 29,908.76/x
  3. Step 3: Cross multiply
    53,782.29x = 74,218.55 × 29,908.76
  4. Step 4: Simplify right side
    53,782.29x = 2,219,784,278.86
  5. Step 5: Solve for x
    x = 2,219,784,278.86/53,782.29
  6. Step 6: Final answer
    x = 41,273.52

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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.