Home / 51,782.08-77,648.58-18,036.33

Finding the Fourth Proportional to 51,782.08, 77,648.58 and 18,036.33

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Solution

The fourth proportional to 51,782.08, 77,648.58 and 18,036.33 is: 27,045.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,782.08 : 77,648.58 = 18,036.33 : x
  2. Step 2: Convert to fraction form
    51,782.08/77,648.58 = 18,036.33/x
  3. Step 3: Cross multiply
    51,782.08x = 77,648.58 × 18,036.33
  4. Step 4: Simplify right side
    51,782.08x = 1,400,495,412.91
  5. Step 5: Solve for x
    x = 1,400,495,412.91/51,782.08
  6. Step 6: Final answer
    x = 27,045.95

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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.