Home / 53,000.52-79,451.36-17,915.64

Finding the Fourth Proportional to 53,000.52, 79,451.36 and 17,915.64

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Solution

The fourth proportional to 53,000.52, 79,451.36 and 17,915.64 is: 26,856.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,000.52 : 79,451.36 = 17,915.64 : x
  2. Step 2: Convert to fraction form
    53,000.52/79,451.36 = 17,915.64/x
  3. Step 3: Cross multiply
    53,000.52x = 79,451.36 × 17,915.64
  4. Step 4: Simplify right side
    53,000.52x = 1,423,421,873.69
  5. Step 5: Solve for x
    x = 1,423,421,873.69/53,000.52
  6. Step 6: Final answer
    x = 26,856.75

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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.