Home / 35,987.20-53,865.52-19,306.24

Finding the Fourth Proportional to 35,987.20, 53,865.52 and 19,306.24

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Solution

The fourth proportional to 35,987.20, 53,865.52 and 19,306.24 is: 28,897.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,987.20 : 53,865.52 = 19,306.24 : x
  2. Step 2: Convert to fraction form
    35,987.20/53,865.52 = 19,306.24/x
  3. Step 3: Cross multiply
    35,987.20x = 53,865.52 × 19,306.24
  4. Step 4: Simplify right side
    35,987.20x = 1,039,940,656.84
  5. Step 5: Solve for x
    x = 1,039,940,656.84/35,987.20
  6. Step 6: Final answer
    x = 28,897.52

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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.