Home / 53,651.50-74,039.07-34,788.76

Finding the Fourth Proportional to 53,651.50, 74,039.07 and 34,788.76

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Solution

The fourth proportional to 53,651.50, 74,039.07 and 34,788.76 is: 48,008.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,651.50 : 74,039.07 = 34,788.76 : x
  2. Step 2: Convert to fraction form
    53,651.50/74,039.07 = 34,788.76/x
  3. Step 3: Cross multiply
    53,651.50x = 74,039.07 × 34,788.76
  4. Step 4: Simplify right side
    53,651.50x = 2,575,727,436.85
  5. Step 5: Solve for x
    x = 2,575,727,436.85/53,651.50
  6. Step 6: Final answer
    x = 48,008.49

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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.