Home / 51,005.49-76,508.16-13,565.58

Finding the Fourth Proportional to 51,005.49, 76,508.16 and 13,565.58

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Solution

The fourth proportional to 51,005.49, 76,508.16 and 13,565.58 is: 20,348.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,005.49 : 76,508.16 = 13,565.58 : x
  2. Step 2: Convert to fraction form
    51,005.49/76,508.16 = 13,565.58/x
  3. Step 3: Cross multiply
    51,005.49x = 76,508.16 × 13,565.58
  4. Step 4: Simplify right side
    51,005.49x = 1,037,877,565.13
  5. Step 5: Solve for x
    x = 1,037,877,565.13/51,005.49
  6. Step 6: Final answer
    x = 20,348.35

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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.