Home / 53,036.87-79,589.91-19,783.53

Finding the Fourth Proportional to 53,036.87, 79,589.91 and 19,783.53

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Solution

The fourth proportional to 53,036.87, 79,589.91 and 19,783.53 is: 29,688.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,036.87 : 79,589.91 = 19,783.53 : x
  2. Step 2: Convert to fraction form
    53,036.87/79,589.91 = 19,783.53/x
  3. Step 3: Cross multiply
    53,036.87x = 79,589.91 × 19,783.53
  4. Step 4: Simplify right side
    53,036.87x = 1,574,569,322.72
  5. Step 5: Solve for x
    x = 1,574,569,322.72/53,036.87
  6. Step 6: Final answer
    x = 29,688.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.